We found one dictionary that defines the word circular date stamp:

Art (1 matching dictionary)

1. Glossary of Stamp Collecting Terms (No longer online)

▸ Words similar to circular date stamp ▸ Usage examples for circular date stamp ▸ Idioms related to circular date stamp ▸ Wikipedia articles (New!) ▸ Words that often appear near circular date stamp ▸ Rhymes of circular date stamp ▸ Invented words related to circular date stamp