I had one similar and it was a 1954. Can you claim the boat as a salvage and create your own data plate. I once salvaged a KMart 12 semi-v and the State of Michigan allowed be to do that.
If you are going to prime and paint I recommend that you use a metal etching primer. I recently utilized a spray paint called Montana. It sprays on thick and does not run or splatter. This is the spray paint that taggers use on trains and buildings for their art work
I believe that the pitting was caused by electrolysis. Aluminum should never come in contact with other metals. I made the mistake of placing my first jon boat on top of my dog kennel with out sitting on 2X4’s. The galvanized kennel posts on the kennel caused the Jon boat gunnel rails to pit...
You may be able to add 3/4 inch solid plywood to the transom and remove the bracket Be sure to waterproof the plywood and seal the fasteners to prevent water intrusion. I have done this with Jon boats and semi v boats. I have never had a problem with this method. If the boat is wooden a...