
1451 36th Avenue
Duffin-Riding had a proper stamp at this time that said “Duffin & Riding.”

1451 36th Avenue
Duffin-Riding had a proper stamp at this time that said “Duffin & Riding.”

E. 17th Street at 35th Avenue
There are several of these here.

1608 36th Avenue
I’ve seen this mark before but couldn’t decipher it until now.

1734 Bridge Avenue
This is a new maker for me. Notice that the V in “Fruitvale” is upside-down.

1454 36th Avenue
I can’t make this one out, although I keep thinking it looks familiar. But I’ve checked all the oval marks in the graphic key to no avail.
[Since then it has become apparent that the numbers on the bottom aren’t a date.]

2638 Peralta Street
I think I’ve seen this guy’s name before, but I don’t have a record of it. Whatever.