I'm always interested in seeing advertisements, fliers, book and record covers or catalog pages that depict fundoshi! Here are a few I've gathered:
(above is Fundoshi 4 All's own logo, originally intended as a t-shirt design, with it's admonishment to "tighten your fundoshi!")
If you come across (!) any fundoshi advertisements, vintage photos, or ephemera, send them my way!
ihsodnufraew at yahoo