Danish Folkboat Turns up in Maine

Ok kids, it's solve a mystery time. Here's the story:

Hi Eric,
I was trying to find some info on folkboats and stumbled onto your blog . I hope you can help. I recently rescued a folkboat from a local boatyard that was going to cut her up. She is in pretty good shape for her age. I hope to find out more from her past. I could not find any makings inside, but the mainsail # is dk f 37 also will attach a few pict.

Thanks ,
Jim
South Bristol Maine

Bonus points to the first responders!