
5320 Thomas Avenue

5320 Thomas Avenue

5430 Belgrave Place
This is an early Troja-Sisto mark. Note that he hadn’t replaced the “3” from the 1930s, three years into the forties.

5742 Claremont Avenue

5328 Manila Avenue
A late Frank Salamid mark. The earliest marks have “& Co.” where the date is here. Perhaps he was a sole practitioner by now.