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Lot 2619

Cretaceous Period, Albian Stage, 113-100 million years BP. A large polished Cleoniceras sp. ammonite from Madagascar; displaying an attractive opal lustre ammonite with the original shell. 713 grams, 14.5cm (5 3/4"). From the collection of the paleontologist R Gledhill; collected between 1930 and 1960. [No Reserve] Fine condition.

Lot 2635

. A thin matrix plate with crystals of spessartine, fluorite and opal from China. 61 grams, 81mm (3 1/4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; formerly with Dragon Minerals, China; from Yunling, Zhangzhou County, Fujian Province, China. Dr Maurice G. Weller, MBE, Ph.D, FISC, traded for many years as 'Sam Weller Minerals' following an interest held from the age of 12 years when he inherited a 19th century family collection; he was a member and sometime President of the Royal Geological Society of Cornwall and a member of Cornwall Archaeological Society (born Cornwall, 31 March 1931"). He had joined the RAF as a young man and spent 22 years in developing sophisticated military radar technology (for which he was awarded his MBE) until he medically retired in 1969, after which he established Yonder Town Field Studies Centre in Newquay, Cornwall before moving to Pendeen. Sam has now decided that the time has come to part with his private collection of minerals, including a number from historic Cornish sites, some with 19th century pedigrees. [No Reserve] Very fine condition.

Lot 314

A claw set opal and rose cut diamond ring in 18ct gold, size I/J, 5.5g

Lot 353

An 18ct ring with bezel set opal, size P/Q, 3g

Lot 367

Two 9ct bar brooches, one set with garnets and the other with a large opal, in original box, 4g

Lot 393

An enamel mourning brooch in yellow metal mount, with articulated drop and inscription to reverse "Rev.d D.Hughes M.A. Obt April 11th 1850 Jonnett Hughes Obt Jan 21st 1860", an agate brooch, a silver and opal ring, etc (af)

Lot 591

AN OPAL BEAD NECKLACE composed of a single strand of opal beads, weighing approximately 78cts in total, suspending a pear-shaped mixed-cut sun stone drop, weighing approximately 15.27cts in total, approximately 43cm in length

Lot 461

A opal and CZ necklace on a silver chain (stamped 925).

Lot 579

A silver CZ and opal style line bracelet; stamped 925.

Lot 608

A gold and platinum, white opal and diamond oval cluster ring, size Q.

Lot 646

A 9ct gold, ruby and white opal cluster ring, size O.

Lot 159

A 9ct gold heart shaped ring amethyst and opal

Lot 137

Silver Art Nouveau style plique a jour butterfly brooch with opal drop

Lot 159

9ct gold ladies opal ring size O

Lot 42

Pair of silver and opal drop earrings

Lot 49

Pair of silver, cz and opal earrings

Lot 1004

Opal cluster silver pendant necklace stamped 925 Condition Report Click here for further images, condition, auction times & delivery costs

Lot 1011

Pair of 9ct gold pendant opal ear-rings stamped 375 Condition Report Click here for further images, condition, auction times & delivery costs

Lot 1029

Pair of silver opal stud ear-rings stamped 925 Condition Report Click here for further images, condition, auction times & delivery costs

Lot 1042

Five stone opal silver gilt ring Condition Report Click here for further images, condition, auction times & delivery costs

Lot 1061

Opal silver-gilt pendant Condition Report Click here for further images, condition, auction times & delivery costs

Lot 1063

Five stone opal silver gilt ring Condition Report Click here for further images, condition, auction times & delivery costs

Lot 1066

Pair rose gold on silver opal ear-rings stamped 925 Condition Report Click here for further images, condition, auction times & delivery costs

Lot 1079

Gold swivel fob pendant set with opal and onyx hallmarked 9ct Condition Report Click here for further images, condition, auction times & delivery costs

Lot 27

9 carat gold opal and sapphire dress ring together with a 9 carat gold Mizpah brooch (2)

Lot 1085

An 18ct gold, opal and marcasite ring, 2.8g, K, lacking marcasite

Lot 407

A Fire Opal and Diamond Three Stone Ring, an oval cut fire opal between two round cut diamonds in claw settings, to knife edge shoulders, total estimated diamond weight 0.20 carat approximately, finger size K1/2 see illustration The ring is in good condition. It is stamped '18CT' and in our opinion would test as gold. The opal measures 11.95mm x 9.90mm x 5.84mm approximately. The approximate qualities of the diamonds are; colour H/I, clarity VS2/SI1. Gross weight 4.0 grams. Condition Report made 8th June 2017.

Lot 474

A Pair of Black Opal and Diamond Pendant Earrings, an articulated row of graduated round brilliant cut diamonds in rubbed over settings suspends a pear double cabochon black opal in frame settings, total estimated diamond weight 0.85 carat approximately, length 5cm, with post fittings see illustration One of the opals is chipped to the top corner. The same opal moves a little in the setting, the setting requiring tightening. The butterfly backs are stamped '750' and in our opinion would test as gold. The opals measure 21.5mm x 10.05mm x 6.5mm approximately. The approximate qualities of the diamonds are; colour G/H, clarity SI1/SI2. Gross weight 12.2 grams. Condition Report made 27th September 2017.

Lot 311

An opal and garnet dress ring, the principal oval cut garnet within graduated borders of opals and garnets, to a plain 9ct gold band.

Lot 349

A 9ct gold pendant and chain, set with opals formed as a flower, together with a pair of 9ct gold opal earrings.

Lot 1487

A collection of mixed plastic kit and vac form kits, mainly all military related to include Airfix, Opal Blitz, and PAK 40, Academy kits, consolidated PBY5 Flying Boat Catalina, Airfix 1/1200 scale, HMS Hood, and a Contrail Model Aircraft Handley Page HB42/5, and others included, unchecked for completeness

Lot 17

10ct gold opal and diamond set ring

Lot 113

An opal and ruby set floral brooch, deisgned as a four 'petalled' flower each set with an opal and with central ruby, all set in 9ct yellow gold, weight 3.8gms, 2.9cm overall CONDITION REPORT: The central ruby is a very shallow stone, two of the opals are chipped, generally very grubby, would need a thorough clean. Age is mid-late 20th century.

Lot 121

Five gold rings, to include; a solitaire diamond ring set in 9ct yellow gold, a gold and opal cluster ring in 9ct gold, a further garnet ring, a 9ct gold signet ring with black enamelled panel and a smoky quartz set ring stamped '9ct gold', gross weight 23.1gms (5)

Lot 126

A quantity of assorted costume jewellery to include; necklace and earrings suites, a multi-gem set ring in silver, an opal triplet set ring, assorted silver jewellery, Border Fine Arts enamel boxes depicting The Snowman, further costume jewellery, beads, necklaces, bracelets, ladies wristwatches etc (Qty) CONDITION REPORT: Your attention is drawn to our important notice regarding Trevanion & Dean's sale of watches found in our Terms & Conditions, please read this prior to bidding.

Lot 177

14ct gold, opal triplet and diamond bar brooch weight: approx 4.33 grams

Lot 22

Two pairs of solid opal earrings one set can be worn as studs or with dangling opal, all backs have been replaced

Lot 298

9ct gold and opal triplet ring weight: approx 2.55 grams, size: approx L-M/6 (tested as 9ct but unmarked)

Lot 312

10ct yellow gold, opal and cz ring weight: approx 3 grams, size: O/7

Lot 449

Silver, white opal and diamond ring size: approx M/6

Lot 470

Silver gumnut and opal pendant on silver chain

Lot 527a

Unset solid opal with a triplet and an imitation

Lot 59

Good 15ct yellow gold and solid opal brooch weight: approx 3.5 grams

Lot 81

Textured 18ct yellow gold, opal & diamond cuff with safety chain, designed by Nadas & Coote in collaboration with customer, total weight: approx 38.7 grams, with 1997 valuation

Lot 163

18ct yellow gold, solid Australian opal pendant weight: approx 9.8 grams, size: approx 5.5cm length including bale

Lot 165

15ct gold solid opal & seed pearl brooch/pendant weight: approx 6.1 grams, size: approx 4 by 4cm including bale

Lot 307A

A silver amber set necklace and a silver opal and white stone set cross necklace on silver chain

Lot 286

A Modern Opal (Doublet) Pendant, oval collet set; together with a pair of similar stud earrings.

Lot 439

Opal and ruby hinged bangle, unmarked, the frontispiece with a graduated row of sixteen opals and a central cluster of nine rubies, pierced back piece, internal diameter 5.8cm, 14.4g gross Condition: All opals appear undamaged, largest opal 6.5mm x 5mm approximately, all with mainly green blue and orange opalescence, some of the claws are out of shape so some of the opals are loose in the setting, total width of band 8mm approximately - **General condition consistent with age

Lot 104

Starline Norev and Kyosho, all boxed 1:43 scale road cars, eight by Starline including, Fiat 8V Zigato-1952 and Opal Capitan 1958, four Kyosho models including, Nissan Skyline 2000 turbo and ten by Norev including, Nissan Navarra Haribo Dragibus and Caterham Super Seven, E, boxes F-G, (22)

Lot 101

NINE CARAT GOLD OPAL SIMULANT DRESS RINGsize N, 3.9g; along with a diamond three stone ring in nine carat gold, size O, 2.2g (2)

Lot 132

TURQUOISE, ENAMEL AND OPAL DRESS RINGthe oval cluster set with a central turquoise surrounded by round opals, on enamelled shoulders decorated with flowers and butterflies, size M, 6.8g

Lot 16

OPAL SET HEART SHAPED PADLOCK CLASP16mm wide and set with a central heart shaped section of opal, in nine carat gold, 3.2g

Lot 169

FIFTEEN CARAT GOLD OPAL AND GEM SET RINGthe floral cluster bezel set with a central green gem surrounded by opals, on trifurcated shoulders, size M-N, unmarked

Lot 287

NINE CARAT GOLD OPAL AND GARNET CLUSTER RINGset with a single oval opal surrounded by round garnets, size P-Q, 4g

Lot 3

EIGHTEEN CARAT GOLD OPAL AND DIAMOND RINGset with a central cabochon cut oval opal flanked by two graduated round brilliant cut diamonds to each shoulder, the diamonds totalling approximately 0.16 carats, size U, 3.2g

Lot 48

MID TWENTIETH CENTURY CITRINE DRESS RINGset with a single large oval citrine 24x17mm in an ornate ropework setting, in eighteen carat gold, size K, 11.9g; along with an opal five stone ring, unmarked, size H and a mid twentieth century dress ring with ropework bezel, unmarked, size L (3)

Lot 69

GROUP OF FIVE NINE CARAT GOLD GEM SET RINGSincluding a fire opal set example, 15.2g gross

Lot 94

OPAL AND DIAMOND RINGthe five graduated opals interspaced by diamond chips, on engraved shoulders, unmarked, size O-P, 4.4g

Lot 163

A PAIR OF BLACK OPAL AND DIAMOND CUFFLINKS, each oval cabochon black opal millegrain set within a single-cut diamond border, on hinged baton fittings, white precious metal mounted, panel length 1.65cm

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