check stamper

13 LETTERS · STARTS WITH C

check stamper is a valid 13-letter word worth 27 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3H4E1C3K5S1T1A1M3P3E1R1

3 + 4 + 1 + 3 + 5 + 0 + 1 + 1 + 1 + 3 + 3 + 1 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does check stamper mean?