单项选择题

[听力原文]9-10
W: When did you become interested in collecting stamps
M: Oh, when I was about ten years old. It’ s an exciting hobby. You know, the first postage stamps were is sued in Britain in 1840.
W: Really I didn’ t know that. I did know that the charge for mail delivery before the appearance of postage stamps was paid by either the sender or the receiver. How much was the usual charge
M: Oh, about ten cents for a short distance. But post offices were losing money with that system. Rowland Hill, an Englishman, suggested using postage stamps. Here’ s a picture of the first two stamps issued.
W: They both bear a picture of Queen Victoria.

When were the first postage stamps issued（）

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