on display at Skowhegan History House, 66 Elm St, Skowhegan, ME
See their website at: http://skowheganhistoryhouse.org/

According to the Skowhegan city website, this canteen was found on the island after the passage of the Arnold Expedition. Read the account here: http://www.skowhegan.org/397/The-Revolutionary-War-Benedict-Arnold