The Old Town canoe with serial number 137969 is an 18 foot long, GS (guide special or utility) grade Guide model with open spruce gunwales, ash decks, ash seats, ash thwarts, and a keel. It was built between July and September, 1943. The original exterior paint color was G. S. (Guide's special) green. It shipped to Duluth, Minnesota on October 26th, 1943. A scan of this build record can be found by following the link at the thumbnail image attached below.
It is also possible that you could have another number or manufacturer if this description doesn't match your canoe. Feel free to reply here if you have any other questions.
Benson