Here’s another way to try, just to keep the ideas flowing. What I do on a regular basis after the stain is fully cured, is to apply the first coat of petite clear sealer early in the morning then the next coat around lunch time then the final coat just before I go home. This gives me three coats to ...

What is the year of your boat 1959?

Sounds like you have a real good start. What I do next is called a strip wash. The way to do this is to get yourself a clean 5 gallon of warm to hot water and a tarry cloth towel (I like to use a white one). Apply striper to the boat in an area about 3-4 feet from waterline to rub rail. Let this set...

I would totally agree that the 31 is the identification for the size and a way to keep things straight at the time of production. Also this could be a way to keep this particular style straight from others that were being built right next to it. The 64 could be a quantity number but I had always see...

It looks like to me that you possibly have the style and assembly numbers. I am sure when the customer recived a large box of pieces that it had directions and some assembly numbering system to it.

The place where i have seen them the most is on the sides of the engine hatch covers. You possibly might also find them stamped into floor boards and under seat bottoms. The steam or forefoot could have the size of the boat stamped into it like 30. One time i did see it written in crayon type pencil...