I am missing the one with the cat feet. … ( brain slowly switches to English ) … Now that I look at it … it could be PAW! Which would give us P and W. Duh!
For the numbers we don’t have enough info yet to be 100% sure. 23 is one of those nerdy numbers like 42. (At least in Germany there’s a movie called 23 about a tragic young hacker in the 80ies).
All awnings and flags have this on them. It is backwards on one side of the flags so I am using this pic because it would seem to be the right way around… C.##? Is there direct evidence of a period being used someplace? I am leaning towards the single dot being 1. Like @temp points out, the dot over the line can’t be 1 and F