Guitar in question is a solid body Alden copper / bronze finish guitars produced about 1958 came from Harmony H44 Stratatone, which Alden has a typical "A" emblem on the headstock. This guitar comes with the original Valve amplifiers and leads and can be seen very clearly with Elvis in a number of photographs. The possibility that the guitar given to Captain Betts, CO Elvis'as it is accompanied by personal photographs and unpublished.
Source : liveauctioneers.com