I got these photos from alumacraft for the boat i have maybe it will be helpful for some of you. Also here is the e-mail they sent me.
Good Morning,
Thank you for contacting the Alumacraft customer service area.
Your boat is a 1959 Alumacraft Model FL. The Model FL was produced from 1958...
i just bought an alumacraft boat with FL2562 stamped on the transom brace can anyone help me id this boat maybe model and year? I can e-mail more photos if needed. Thanks