![Keystone Tug Boat and Barges Model #344](http://www.collectingkeystone.com/wp-content/uploads/2014/01/IMG_0566-150x150.jpg)
This Keystone Tug Boat and Barges Model #344 has two barges that are 5.75″ x 2.75″ and a tug that is 5.75″ x 2.25″. This set was made by Keystone Wood Toys so was produced after 1953.
From my private collection.
The History of Keystone Manufacturing Company From 1919 to 1967