Cover - philatelic cover is an envelope or post card prepared with a stamp(s) and address and sent ... 顯示更多內容
Cover - philatelic cover is an envelope or post card prepared with a stamp(s) and address and sent through the mail delivery system for the purpose of creating a collectible item. Stamp collectors began to send mail to each other and to themselves early on, and philatelic mail is known from the late 19th century onward.顯示較少內容
