官かん製せい葉は書がき

noun

official government postcard; postal card

Refers to postcards issued by the government or postal authority, often with pre-printed postage. Commonly used in contexts like 官製葉書で応募する (apply using an official postcard).

• 懸けん賞しょうに応おう募ぼするときは官かん製せい葉は書がきを使つかいます。

  When entering a contest, I use an official government postcard.