古こ印いん紙し

noun

used stamps; cancelled stamps

Refers to postage stamps that have already been used and bear a cancellation mark. Often encountered in philately or when discussing stamp collections.

• 祖そ父ふは古こ印いん紙しを集あつめるのが趣しゅ味みです。

  My grandfather's hobby is collecting used stamps.

• この封ふう筒とうには古こ印いん紙しが貼はってある。

  There is a used stamp on this envelope.