You will often find photographer advertisements on the backs of images. From simple to elaborate they can be extremely helpful when it comes to researching an image.
Photographer's imprint: O'Flynn / 244 FRONT STREET, / WORCESTER, MASS.
Backmark: ART STUDIO. / F.F. O'Flynn, 244 Front St., Worcester, Mass. / COPIES CAN BE HAD AT ANY TIME. / Special attention given to Outside Photography.
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