We found one dictionary that defines the word unmounted mint:

Art (1 matching dictionary)

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

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