![Polished Baltic Amber with Insect: Oligocene Period, circa 45 million years B.P. Polished, transparent specimen with an insect inclusion. 1.11 grams, 22 mm (7/8 in.). [No Reserve] From Primorskoje Mine, Kaliningrad, Russia. From a Linc](https://p1.liveauctioneers.com/1191/405225/225127606_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)
Est. £40-£60
Est. US$100-US$150
![Polished Fossil Coral Head Heart: Devonian Period, circa 417-354 million years B.P. Cut to a heart shape and polished to reveal the internal structure. 151 grams, 73 mm (2 7/8 in.). [No Reserve] From a Cambridgeshire, UK, collection.](https://p1.liveauctioneers.com/1191/405225/225127635_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)
Est. £20-£30
Est. US$100-US$150
Est. US$100-US$150
Est. US$100-US$150
Est. US$100-US$150
Est. US$100-US$150
Est. US$10-US$2,000
Est. US$60-US$80
Est. US$100-US$150
Est. US$100-US$150
![Polished Baltic Amber with Insects: Oligocene Period, circa 45 million years B.P. Polished, transparent specimen with insect inclusions. 2.63 grams, 34 mm (1 3/8 in.). [No Reserve] From Primorskoje Mine, Kaliningrad, Russia. From a Linc](https://p1.liveauctioneers.com/1191/405225/225127556_1_x.jpg?height=280&quality=70&sharpen=true&version=1770802315&width=280)
Est. £40-£60
Est. US$40-US$60
Est. US$100-US$150
Est. US$100-US$150
Est. US$100-US$150
Est. US$10-US$2,000
![Polished Fossil Coral Head Heart Group: Devonian Period, circa 417-354 million years B.P. Each cut to a heart shape and polished to reveal the internal structure. 138 grams total, 34-40 mm (1 3/8 - 1 5/8 in.). [5, No Reserve] From a Cambrid](https://p1.liveauctioneers.com/1191/405225/225127518_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)
Est. £30-£40
Est. US$100-US$150
Est. US$100-US$150
Est. US$100-US$150
Est. US$15-US$10,000
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