Sans Rounded Tubo 3 is a very bold, normal width, medium contrast, upright, normal x-height font visually similar to 'Frankfurter' by ITC, 'Corkboard JNL' by Jeff Levine, 'Hupaisa' by Melvastype, and 'Frankfurter SB' and 'Frankfurter SH' by Scangraphic Digital Type Collection (names referenced only for comparison).