Your pump is pictured on page 292 of my Gas Pump ID book. I have never been able to find any Progress literature that mentions a ID number. The picture I used appears to be a copy of someone's restored pump, I can't find who sent it to me. It is also shown in my first book from 2000.

Jack Sim

Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available