Proof of Your Order, Often Paper or Email
This page is the CodyCross answer for the clue below from The 1950s, Group 1806, Puzzle 4 (Gingham Pattern).
Question is: Proof of Your Order, Often Paper or Email
and the answer is: RECEIPT
Word Meaning:
RECEIPT — The act of receiving, or the fact of having been received.
Definitions from Wiktionary.