国こく際さい返へん信しん切きっ手て券けん

noun

international reply coupon

A coupon exchangeable for postage stamps in any UPU member country, used to prepay return postage for international mail.

• 国こく際さい返へん信しん切きっ手て券けんを同どう封ふうすれば、海かい外がいからの返へん信しんがもらいやすくなります。

  If you enclose an international reply coupon, it will be easier to receive a reply from abroad.