Est.
$150
-$225
Antique Arena Inc.Brooklyn, NY
Ancient Greek And Roman Engineering Tools And Instruments
(166 upcoming items)
Est.
$600
-$1,100
NY Elizabeth Beverly Hills, CA
Est.
£12,000
-£15,000
Lyon & TurnbullLondon, England
Est.
£3,500
-£6,000
TORG AUCTIONSHaslemere Surrey, Surrey
Est.
£15,000
-£20,000
TimeLine Auctions Ltd.Harwich, Essex
Est.
£3,000
-£4,000
TimeLine Auctions Ltd.Harwich, Essex
Est.
£3,000
-£6,000
Apollo Art AuctionsLondon, UK
Est.
£1,500
-£2,000
TimeLine Auctions Ltd.Harwich, Essex
Est.
£2,000
-£3,000
PLAKASLondon, UK
Est.
$125
-$200
Antique Arena Inc.Brooklyn, NY
Est.
$150,000
-$180,000
Yakon AuctionsGermantown, MD
Est.
£1,000
-£1,400
TimeLine Auctions Ltd.Harwich, Essex
Mynt AuctionsNew York, NY
Est.
$4,000
-$6,000
Artemis Fine ArtsLouisville, CO
Est.
$8,000
-$12,000
Artemis Fine ArtsLouisville, CO
Artemis Fine ArtsLouisville, CO
![Historic Spartan Basalt Cut and Polished Dark Green Porphyry Fragment Group: Mined in Greece, four irregular fragments cut and polished on one side, probably recycled material mined in ancient Roman times. 2.1 kg total, 7 - 30.5 cm (2 3/4 - 12 in.). [4] Acquired on the UK art](https://p1.liveauctioneers.com/1191/415803/231330498_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474167&width=280)
Est.
£500
-£700
TimeLine Auctions Ltd.Harwich, Essex
Est.
$800
-$1,200
Artemis Fine ArtsLouisville, CO
Est.
$19,500
-$22,500
HIGH END GEMS & JEWELS LTDManchester, England
Est.
$200
-$800
Lion and UnicornHollywood, FL
Artemis Fine ArtsLouisville, CO
Est.
$2,200
-$3,300
Artemis Fine ArtsLouisville, CO
Est.
£300
-£600
Apollo Art AuctionsLondon, UK
Est.
$11,310
-$13,050
HIGH END GEMS & JEWELS LTDManchester, England
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