Today we're going to discuss the history of the postal service. In the 19th century, the introduction of the penny post in Britain revolutionized communication. Before that, the recipient, not the sender, had to pay for the mail, which often led to refusal. The reform, proposed by Rowland Hill in 1837, made postage affordable and prepaid. Interestingly, the first adhesive postage stamp, the Penny Black, was issued in 1840. However, it was only valid for one day because the red cancellation ink was hard to see on the black stamp, so it was quickly replaced by the Penny Red. This change was crucial for efficient mail processing.
❓ なぜペニー・ブラック切手はわずか1日で交換されたのですか?
A. A. 生産するには高すぎた。
B. B. 黒色のため、消印が見えにくかった。
C. C. 切手のデザインは魅力的でないと考えられていた。
D. D. 使用した接着剤の強度が十分ではなかった。
✅ 正确答案
B. The black color made the cancellation mark difficult to see.