We found one dictionary that defines the word write on the back of a postage stamp:

Miscellaneous (1 matching dictionary)

1. write on the back of a postage stamp: Idioms

▸ Words similar to write on the back of a postage stamp ▸ Usage examples for write on the back of a postage stamp ▸ Idioms related to write on the back of a postage stamp ▸ Wikipedia articles (New!) ▸ Words that often appear near write on the back of a postage stamp ▸ Rhymes of write on the back of a postage stamp ▸ Invented words related to write on the back of a postage stamp