Super rare Limited edition book: BY IMPERIAL COMMAND An Introduction to Ching Imperial Painted Enamels by Hugh Moss. Number 385 of 1000.  1976 Hybiya Company Ltd, Hong Kong. Wonderful in depth study of Imperial Chinese Ching Enamels. It comes with its original dust cover and two volumes inside one with text, the other with picture plates  A must for the  research library of a collector . I have looked on line and these rare books have sold for over 4000 us dollars in auctions.