This is a sweet vintage advertising pinback pin stating Wool Soap ."my mama used Wool Soap" & "I wish mine had" are printed on the front along with the words Trade Mark . Original pinback and paper insert stating Patented July 17, 1894 April 14, 1896. Whitehead & Hoag Co., Newark New Jersey. Measures approx. 7/8" across. In very good vintage condition with age appropriate wear.

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