The picture below show larger views of both sides of this Old Eldredge Portsmouth Ale Beer Advertising Premium Metal Bottle Opener & Corkscrew. The tool is not dated and the year that it was made is unknown. The opener has a hole to hang it on a keychain or a hook. The opener is marked on the two sides as follows:
ELDREDGE PORTSMOUTH ALE ELI BORWICK 460 ISLINGTON ST. PORTSMOUTH, N.H. PAT'D MADE IN U.S.A. VAUGHAN CHICAGO
The opener measures 2-7/8'' long. It appears to be in mint unused condition as pictured.