[請問] 郵局是如何辨別郵票真假
因為郵票本身好像沒有什麼防偽機制,摸起來很普通,
感覺跟一般的廣告因印刷品沒兩樣,似乎很容易仿冒,
郵局每天的信件這多,郵局會檢查郵票的真偽嗎? 還是說有特別的方式能快速驗證嗎?
謝謝!
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終於發現我跟花輪唯一的共同點
http://bitshare.com/image/5uop3mog/1.jpg
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