Est.
$1,200
-$2,400
PropstoreValencia, CA
Est.
$1,794
-$2,332
Mynt AuctionsNew York, NY
Est.
$90
-$200
Lion and UnicornHollywood, FL
Est.
$2,717
-$3,532
Mynt AuctionsNew York, NY
Est.
$2,717
-$3,532
Mynt AuctionsNew York, NY
Est.
$4,459
-$5,796
Mynt AuctionsNew York, NY
Est.
$90
-$200
Lion and UnicornHollywood, FL
Est.
$200
-$250
Cordier AuctionsHarrisburg, PA
Est.
$50
-$100
Antique Arena Inc.Brooklyn, NY
![Historic Roman Cut and Polished Roman Imperial Porphyry Fragment Group: Comprising cut and polished pieces, probably recycled material mined in ancient Roman times between the 1st and 5th centuries A.D. 270 grams total, 3.3-15.5 cm (1 1/4 - 6 1/8 in.). [12, No Reserve] Ex](https://p1.liveauctioneers.com/1191/426518/237925377_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£100
-£140
TimeLine Auctions Ltd.Harwich, Essex
Est.
$90
-$200
Lion and UnicornHollywood, FL
Est.
$130
-$380
$65
$65
Chairish Auction HouseKalamazoo, MI
![Group of Three [3] Quartz and Amethyst Crystal Sections: Comprising three irregular specimens with small prismatic crystals. 1.57 kg total, 14-16 cm (5 1/2 - 6 1/4 in.). [3, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (](https://p1.liveauctioneers.com/1191/426518/237925220_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
Est.
$1,092
-$1,419
Mynt AuctionsNew York, NY
![Large Cut and Polished Banded Agate Bowl: Shallow, oval bowl with thick edges and showing contrasting banding. 2.3 kg, 24 cm (9 1/2 in). [No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich,](https://p1.liveauctioneers.com/1191/426518/237925246_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£60
-£80
TimeLine Auctions Ltd.Harwich, Essex
Est.
$90
-$200
Lion and UnicornHollywood, FL
Mynt AuctionsNew York, NY
![Group of Fourteen [14] Large Amethyst and Smoky Quartz Crystal Points: Group of fourteen pyramidal points. 2.88 kg total, 58-84 mm (2 1/4 - 3 1/4 in.). [14, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. TimeLi](https://p1.liveauctioneers.com/1191/426518/237925313_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£50
-£70
TimeLine Auctions Ltd.Harwich, Essex
Est.
$90
-$200
Lion and UnicornHollywood, FL
Est.
£200
-£300
Stanley Gibbons Baldwin’sLONDON, England
Est.
$30
-$100
Terminal 37 Antiques Herndon, VA
Est.
$30
-$40
Pasadena Auction HouseAltadena, CA
![Group of Fifty [50] Natural Rough Garnet Crystals Totalling 250 Carats: Large quantity of uncut purple-red pyrope-almandine garnet specimens. 100 grams total, 10-18 mm (3/8 - 3/4 in.). [No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harw](https://p1.liveauctioneers.com/1191/426518/237925259_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£50
-£70
TimeLine Auctions Ltd.Harwich, Essex
Est.
$559
-$726
Mynt AuctionsNew York, NY
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