Sepia photograph of the large brick Potter Press building in Waltham, Massachusetts, with signage reading Salesbooks, The Potter Press, and Account Systems. Awnings shade the windows, and a car is visible on the street at right.
White border; sepia-toned real photo; mottling/staining in sky; caption in negative.
No postmark, no address, no handwritten message — address side is blank. Divided-back card with 'DEFENDER' diamond stamp box; light foxing and a brown stain at lower right. Sepia-toned card, matte surface.
Cite this card
The Potter Press, postcard, c. 1907. PostalPast Collection. https://postalpast.com/postcard/the-potter-press. Accessed October 5, 2026.