Lot# 6662

with a black Proof MS inside. Slightly toned. VF-F. Plus 8 philatelic reference books, including CPA-issued “The Stories of Letter Boxes in Hong Kong”, “Postal History of the Spanish Philippines”, “Descriptive Catalogue of the Postage Stamps and Cards Issued by the Hong Kong Post Office”, “The Hong Kong ‘China’ Overprints”, “Hong Kong Postal Stationery”; a Sun Philatelic Center, Inc. auction catalogue; “Selected Pages from Topical Exhibitions, Taipei, 1987”; and “The British Sea Post Offices in the East, British History Volume 4”. A valuable lot for postal history research.