Vintage HARD To FIND! Rolling Rock Beer Three hotsell Horse Kentucky Derby Winners Stand Up Sign

Here is a Vintage Rolling Rock Beer Sign featuring 3 Horse Kentucky Derby Winners: Whirlaway, Sea Biscuit, and Man O'War. Sign is a lithograph on a chip type board. There is an Artist mark in right corner - D. E. Larsen. Left corner is marked: "Published with permission of owners Warren Wright, hotsell Charles S. Howard, Samuel D. Riddle". And marked "Labrobe Brewing Company, Latrobe, Pennsylvania, Permit No. 26" on the bottom.

Sign measures approximately 14" tall and 18" wide

Has a little damage to the lower right corner, but very nice shape overall!!

Not sure of the year, guessing 1970's.