semi-postal stamp

名詞

A postage stamp which includes a premium for charitable causes in addition to the charge for postal service.

日本語の意味

郵便料金に加え、慈善活動のための寄付金を含む郵便切手。

The museum sold a limited-edition semi-postal stamp to raise funds for conservation.

博物館は保存活動の資金を募るために限定版の寄付金付き郵便切手を販売した。

意味（1）

A postage stamp which includes a premium for charitable causes in addition to the charge for postal service.

semi-postal stamps

（ plural ）