
4237 Montgomery Street
I’d like to know the story behind “BTU Co.”

4237 Montgomery Street
I’d like to know the story behind “BTU Co.”

5221 Shafter Avenue
A 1932 version of the East Bay C&C mark used this same stencil but gouged the last 1 into a 2.

Cerrito Avenue and 38th Street
A particularly well preserved Henning mark.

4343 Howe Street
This is the only Doyle & Sons mark I’ve found so far.

6441 Harwood Avenue
This is the first Lovisone mark I’ve seen.