The picture below shows a larger view of both sides of this Old Painted Metal Pickwick Ale Advertising Premium Beer Bottle Opener. The opener is not dated but it is old. It is marked on the two sides as follows:
ASK FOR PICKWICK ALE “ALE THAT IS ALE” HAFFENREFFER BOSTON
The advertising premium bottle opener measures about 3-5/8'' x 2''. It appears to be in excellent condition as pictured.