消印 (けしいん, keshiin) Japanese meaning: postmark | KotomoraLooking at the postmark on the envelope, it was dated yesterday.
This stamp has a clear cancellation mark on it.
Usage patterns
〈物〉に消印を押すto stamp a postmark on something
The postal worker stamped a postmark on the envelope.
〈時〉までの消印有効postmarked by a certain date is valid
Applications are valid if postmarked by the end of May.
消印があるto have a postmark on it
This postcard has a Tokyo postmark on it.
