2618 19th Avenue
I believe that these are birth marks, placed along the curb to note the births of Mike and Steven Real. They consist of a name on the top, a date in the middle, and what looks like the birthweight and the time of birth on the bottom. Pretty cool.
857 McKinley Avenue
1300 block Miller Avenue
My first John Conti mark with a date on it. I’ve only seen three or four of these, total.
6442 Raymond Street
515 Merritt Avenue
827 45th Street
I think this is probably the same person as S. De Guarda, however that mark uses all caps instead of the small-cap “E.”
838 46th Street
Oakland Underfoot 