The science of gems, jewels, coins and medals, ancient and modern.

Billing, Archibald2017-01-302017-01-301875http://hdl.handle.net/123456789/146185https://digitallibrary.punjab.gov.pk/handle/1/5198255 p.enGems.Coins.The science of gems, jewels, coins and medals, ancient and modern.Book