Enter a clue or pattern or both:
The Clue
Deltiologist's purchase (8 letter answer)
The Answer
POSTCARD
Tags
Notes
The answer POSTCARD is so rare that it appears less than once every 2900 puzzles.
Related Clues
Tourist purchase
Contest entry, perhaps
Mail that isn't opened
"Wish you were here" medium
Definition
POSTCARD as a noun:
1. (postcard, post card, postal card, mailing-card) = a card for sending messages by post without an envelope