1984 Thailand #933b,#991 on cover to Kowloon City Hong Kong & return to sender marking

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.