925 Silver – 38.7 mm. 9583 Oz ASW – KM# 322. This Proof more nearly One-Ounce Sterling Silver crown was dedicated the invention of paper by Cai Lun, a Chinese court official during the Eastern Han Dynasty, who refined the papermaking process around 105 AD. The reverse of the coin depicts Chinese papermaker, with denomination on left; while the obverse features the bust of Queen Elizabeth II, with date below. Please look at the pictures – just a beautiful rare Proof Sterling Silver coin. And it could be yours! All items listed as a “fixed price” or “best offer” or “good until canceled” are subject to prior sale in our retail coin store, so please consider purchasing or making an offer on these listings fairly quickly if they are of interest to you. We would never know if you wanted the item, if you didn’t make offer..