I opened up one of my golf books and out popped an envelope with all sorts of interesting images on it.
Official First Day Cover.
Illustration of the Clubhouse of The Country Club.
The famous illustration of Francis D. Ouimet and Eddie Lowery, noting 1913 U.S Open Champion As America's First Golf Hero.
A 25 cent stamp of Francis Ouimet.
Postmark June 13, 1988 from Brookline.
I am no Philatelist, so does this have any intrinsic value?
Bob