![Collection of Three [3] Cut and Polished Agate Geode Ends: A boxed group of three polished geode sections showing contrasting colours and banding. 2.77 kg total, 9.6-19.6 cm (3 3/4 - 7 3/4 in.). [3, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley](https://p1.liveauctioneers.com/1191/415806/231335359_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £40-£60
Est. US$585-US$760
Est. US$351-US$456
![Large Sasanian Agate Stamp Seal: Circa 4th-5th century A.D. Plano-convex in section with incised geometric motifs. 15.99 grams, 26.69 mm (1 in.). [No Reserve] From the private collection of a European gentleman (1942-2024), formed si](https://p1.liveauctioneers.com/1191/415804/231332506_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474526&width=280)
Est. £40-£60
Est. US$351-US$456
![Roman Agate Gemstone with Bird: 2nd-3rd century A.D. Intaglio perching bird motif with frond. 0.46 grams, 11.29 mm (3/8 in.). [No Reserve] From the private collection of a European gentleman (1942-2024), formed since the 1970s. Time](https://p1.liveauctioneers.com/1191/415803/231330677_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474167&width=280)
Est. £100-£140
Est. US$200-US$400
Est. US$585-US$760
![Sasanian Agate Stamp Seal with Man Holding Staves: Circa 3rd-7th century A.D. Annular in profile with incised figure of a man holding two staves. 8.07 grams, 21.03 mm (7/8 in.). [No Reserve] From the private collection of a European gentleman (1942-20](https://p1.liveauctioneers.com/1191/415805/231334268_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474898&width=280)
Est. £30-£40
Est. US$780-US$1,014
Est. US$585-US$760
Est. US$585-US$760
![Sasanian Agate Stamp Seal: Circa 3rd-7th century A.D. and later Plano-convex in form with possibly later incuse design, three fish and other objects. 18.34 grams, 27.23 mm (1 in.). [No Reserve] From the private collection of a](https://p1.liveauctioneers.com/1191/415804/231332094_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474526&width=280)
Est. £60-£80
![Roman Agate Gemstone with Minerva: 2nd-3rd century A.D. With intaglio Minerva standing with shield and spear; supplied with a museum-quality impression. 0.20 grams, 9.39 mm (3/8 in.). [No Reserve] From the private collection of a Europ](https://p1.liveauctioneers.com/1191/415804/231331583_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474526&width=280)
Est. £100-£140
![Large Sasanian Banded Agate Stamp Seal: Circa 4th-5th century A.D. Plano-convex in section with lightly incised standing figure with sword and shield in his outstretched hands. 13.21 grams, 27.07 mm (1 in.). [No Reserve] From the private co](https://p1.liveauctioneers.com/1191/415805/231334271_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474898&width=280)
Est. £60-£80
Est. US$1,066-US$1,385
Est. US$442-US$574
Est. US$676-US$878
Est. US$585-US$760
![Large Sasanian Banded Agate Stamp Seal: Circa 4th-5th century A.D. Plano-convex in section with linear motifs. 18.43 grams, 28.74 mm (1 1/8 in.). [No Reserve] From the private collection of a European gentleman (1942-2024), formed since the](https://p1.liveauctioneers.com/1191/415804/231332097_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474526&width=280)
Est. £60-£80
![Collection of Ten [10] Cut and Polished Assorted Agate Geode Halves: Comprising ten geode halves with internal cavities, most with crystal lining. 1.43 kg total, 52-94 mm (2 - 3 3/4 in.). [10, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley &](https://p1.liveauctioneers.com/1191/415806/231335454_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £30-£40
![Western Asiatic Decorated Agate Bead Group: 1st millennium B.C. Each with a grooved geometric concentric lozenge design. 3.28 grams total, 14.04-16.10 mm (1/2 - 5/8 in.). [3, No Reserve] From the private collection of a European gentleman (1942](https://p1.liveauctioneers.com/1191/415804/231332154_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474526&width=280)
Est. £80-£100
![Large Sasanian Agate Stamp Seal: Circa 4th-5th century A.D. Plano-convex in section with lightly incised geometric motif to underside. 18.52 grams, 27.58 mm (1 in.). [No Reserve] From the private collection of a European gentleman (1](https://p1.liveauctioneers.com/1191/415804/231332485_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474526&width=280)
Est. £40-£60
![Very Large Cut and Polished Blue Agate Crystal Geode Slice: Showing fine banding and a crystal-lined centre, dyed to a vibrant dark blue colour. 679 grams, 25.5 cm (10 in.). [No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Har](https://p1.liveauctioneers.com/1191/415806/231335481_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £40-£60
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