Two items: Signed White House card, neatly signed in black ink, “Calvin Coolidge”; and a business check, 8.5 x 3.5, filled out in another hand and signed by Cooldige, dated August 6, 1917. In fine condition, with expected cancellation holes to check, and a couple small moisture spots to end of check’s signature. Auction LOA John Reznikoff/PSA/DNA and R&R COA.