US #818(3) on Reg Penalty Envelope, Passport Agency;3x13c stamps only must be a rare usage, possibly unique to find;Prexiy,prexie

Multiple item purchases are highly encouraged, a discounted shipping rate will be determined at the end of auctions. This rate will be depending on the number of items, total weight, and size. Buyer must add $17 for USPS Registered International Mail service, it will be used for any oversea purchase over $100. USPS Priority Mail Express International service will be used for any purchase over $400, buyer pays half of the cost at $32.