【简答题】Any mistake made in the printing of a stamp raises its value to stamp collectors. A mistake on a two-penny postage stamp has made the stamp worth a million and a half times than its original value. Th...
【单选题】How can a single postage stamp be worth $ 16,800? Any mistake made in the printing of a stamp raises its value to stamp collectors. A mistake on one in expensive' postage stamp has made the stamp wort...
【简答题】When people print a stamp, any error made on a stamp raises its value to stamp collectors. A mistake on one inexpensive postage stamp has made the stamp worth a million and a half times its original v...