Est.
$1,500
-$1,800
Weatherham Estate TreasuresCobourg, ON
![Group of Two [2] Boxed Madagascan Perisphinctid Fossil Ammonites: Jurassic Period, circa 170 million years B.P. A pair of Perisphinctes sp. ammonite specimens; each on a display tray with an old Gregory, Bottley & Lloyd label. 312 grams total, 78-83 mm (3 - 3 1/4 in](https://p1.liveauctioneers.com/1191/415806/231335455_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
Est.
$1,400
-$1,600
Weatherham Estate TreasuresCobourg, ON
Treasure of Gems & JewelryLake Charles, LA
Est.
$60
-$100
Chan & Scott Auction HouseLinghem, Ostergotland
![Very Large Madagascan Fossil Tree Trunk Section: Circa 135-200 million years B.P. A cut section showing some internal banding and bark detailing on the outside. 4 kg total, 19 cm (7 1/2 in.). [No Reserve] From Madagascar. Ex Mineral Imports, London,](https://p1.liveauctioneers.com/1191/415806/231335370_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£80
-£100
TimeLine Auctions Ltd.Harwich, Essex
Dahlstroms AuctioneerAvignon, Provence-Alpes-Cote d'Azur
Est.
£80
-£100
TimeLine Auctions Ltd.Harwich, Essex
Est.
$4,999
-$5,368
M.D.CHJewelry Co.Fort Worth, TX
Est.
$300
-$500
Lux et Umbra LLCMorristown, TN
Chairish AuctionsNew York, NY
Est.
$180
-$260
Chan & Scott Auction HouseLinghem, Ostergotland
Est.
$8,000
-$12,000
Freeman'sChicago, Palm Beach, Philadelphia, New York, NY
Treasure of Gems & JewelryLake Charles, LA
Est.
$1,050
-$1,250
Weatherham Estate TreasuresCobourg, ON
Dahlstroms AuctioneerAvignon, Provence-Alpes-Cote d'Azur
Est.
$550
-$650
Weatherham Estate TreasuresCobourg, ON
Est.
$1,500
-$1,700
Weatherham Estate TreasuresCobourg, ON
Est.
$19,812
-$25,755
BidhausNew York, NY
Est.
$12,000
-$14,000
$5,000
Chairish AuctionsNew York, NY
Est.
$1,450
-$1,650
Weatherham Estate TreasuresCobourg, ON
Est.
$3,421
-$4,863
M.D.CHJewelry Co.Fort Worth, TX
Est.
$5,412
-$8,505
Treasure of Gems & JewelryLake Charles, LA
Est.
$3,980
-$4,875
M.D.CHJewelry Co.Fort Worth, TX
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