Model B frame questions

[uncle max]

Originally Posted by Uncle Bob

Yes David, as you can see I'm in Wa. State and this was purchased recently a few miles from my house, so could be one of the one's you're aware of. I was able to do a little cleaning of the serial number that is exposed and it does start with star AB (as deuce_roadster noted) then it gets tougher, but so far it looks like 3 zeros then obscured by the firewall foot. The center member is an easy shoot so here are pics of each side.

And as some might wonder, the engine has practically no wear and decent paint so is highly likely a latter day replacement, so it's serial number won't help.

Latter Day Replacements... aren't they a religious group in Utah?