Welcome and congratulations, the Old Town canoe with serial number 12458 is a 16 foot long, CS (common sense or middle) grade, Charles River model with red western cedar planking, closed spruce gunwales, ash decks, ash thwarts, ash seats, spruce outside finish rails, and a keel. It was built between November, 1909 and May, 1910. The original exterior paint color was dark green. It shipped on June 15th, 1910 to Toronto, Ontario, Canada. A scan of this build record can be found below.
This scan and several hundred thousand more were created with substantial grants from the Wooden Canoe Heritage Association (WCHA) and others. A description of the project to preserve these records is available at
http://www.wcha.org/catalogs/old-town/records/ if you want more details. I hope that you will donate, join or renew your membership to the WCHA so that services like this can continue. See
https://www.woodencanoe.org/about to learn more about the WCHA and
https://www.woodencanoe.org/shop to donate or join.
It is also possible that you could have another number or manufacturer if this description doesn't match the canoe. The Carleton canoe with this serial number is 18 feet long and the Kennebec is 20.5 feet long. Both of these are from 1917. Feel free to reply here if you have any other questions.
Benson