Enter a clue or pattern or both:
The Clue
Like most stationery (7 letter answer)
The Answer
UNLINED
Tags
Notes
The answer UNLINED is so rare that it appears less than once every 2500 puzzles.
Definition
UNLINED as an adjective:
1. not having a lining or liner; "a thin unlined jacket"
2. (seamless, unlined, unseamed) = used especially of skin; "his cheeks were unlined"; "his unseamed face"