1920's Portrait Colour Change Sapphire Intaglio Seal bell artfully draped over the word
Platform notes & fabric story
Description
1920's Portrait Colour Change Sapphire Intaglio Seal bell artfully draped over the word artfully draped over the word It's bezel set It's carved with a ladies portrait and the stone changes from a bluey purple to a turquoise green when moved from electric light to daylight but some sapphires and some garnets can also behave in this way