non-fixie 's instincts are right - since most of the bits are generic and could have been used by a lot of different builders, the serial number is key.

The unevenly stamped, long numbers were the hallmark of Ray Gasiorowski. So, I'm going with this being the 12092nd Romic built on Jul 28,1980.

Some of the pages from Ray's build book are posted online but unfortunately the page with the number of this mystery frame isn't among them. The page starting with 1300381180 is the closest it gets.

Here are some serial number examples from another Romic mystery thread: