Well it took a little while but with the help of Vintage 1911s I finally found this rare barrel. Thanks Vintage 1911s this site really works!
Still looking for a pretty rare Colt barrel with horizontal "H" with serifs marked on barrel hood. It was used on on pistols in the 400 to 7500 serial number range
Link to reference pictures at coltautos.com with the correct barrel (8th image down):
1911 Colt made in 1913 s/n 31898. Surfaces are original Colt has a dark patina. Grips are WW2 Barrel is a post WW1 Springfield barrel (s p) across lug with good bore and rifling. Magazine is a 2 tone with lanyard loop. Asking $1995 which includes…