postmarks

From Wiktionary

Noun[change]

Singular
postmark

Plural
postmarks

  1. The plural form of postmark; more than one (kind of) postmark.

Verb[change]

Plain form
postmark

Third-person singular
postmarks

Past tense
postmarked

Past participle
postmarked

Present participle
postmarking

  1. The third-person singular form of postmark.