Postcard of "Calisthenic Exercises." Published by HH Stratton from 1908-1915. The stamp box on the postcard says Stratton. An excerpt from Metropostcard's write up of the company: H.H. Stratton (1908-1915) mentions that some of their black & white postcards (lithos) had false real photo backs... which is the case of this postcard. Thank you for looking.