For your consideration, here is a WWII USS Wasp CV-18 Printed Thank You Note to Puget Sound Navy Yard personnel, following overhauls and repairs. It was in the Puget Sound Navy Yard, in the 1945. Inside, it shows the war record.  There  comments from the captain printed on the back of it.

It measures 5 1/4 by 4 1/4 inches, unfolded. It was in a scrapbook and has some glue remains and missing paper on the back. It has some tanning from age. It will be mailed in a bubble mailer with foam core stiffeners. Item pictured is the actual item up for sale and comes from a non-smoking household. (219.978q-.3bb)