A commemorative stamp will be issued October 15.
一枚紀念郵票將於10月15日發行。
He says he'll have no problem authenticating the stamp.
他説他完全可以鑑定這枚郵票。
The stamp was a dark， dull blue colour with a heavy black postmark.
這枚郵票是模糊的暗藍色的，上面蓋着一個粗黑色的郵戳。
The new chip will be made from a piece of silicon about the size of a postage stamp.
這種新的芯片將由大約郵票大小的一塊硅片製成。
Please show your stamp to us.
請把你的郵票給我們看看。
There is no stamp on the stamp.
那張郵票上沒有蓋圖章。
