| Unidentified photographer / Tonboya (publisher) Boys Playing with Camera n.d. Postcard, Collotype with hand coloring; ink on card stock 8.8 x 13.8 cm (3 7/16 x 5 7/16 in.) Museum of Fine Arts, Boston Leonard A. Lauder Postcard Archiver, Accession number: 2002.7400 LL/120391
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