FDC - 1970 Hong Kong First Day Cover - Asian Productivity Year

Condition: Fair vintage condition. Please note there is noticeable paper wrinkling, creasing, and light water staining throughout the envelope (as shown in photos). The stamp and postmarks remain clear. I am selling a 1970 Hong Kong First Day Cover - Asian Productivity Year (China Philatelic Association) in fair condition. Vintage 1970 Hong Kong First Day Cover (FDC) commemorating the Asian Productivity Year. * Issue Date: August 5, 1970 (5 AU 70) * Stamp: Hong Kong Asian Productivity Year stamp featuring the 1970 gear/arrow logo * Postmark: Clear "HONG KONG 39" postmark dated August 5, 1970 * Backstamp: Features the official purple handstamp seal of the China Philatelic Association, Hong Kong (中國郵學會) on the reverse flap Comes from a pet and smoke-free environment. Pickup in Mount Pleasant (NW Calgary)