Bidspirit auction | Natural History - Cut and

Natural History - Cut and Polished Agate 'Window' Group [3]. - Comprising three freestanding boulders with a cut and polished upper face showing grey and brown banding, one showing the internal cavity filled with clear quartz crystals. 1.47 kg total, 8-11.2 cm (3 1/8 - 4 3/8 in.). Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [3, No Reserve]