It is stamped US regulation.
Vintage US Regulation US Military Brass Bugle Instrument
Vintage US Regulation Bugle With Mouthpiece Made in USA
Vintage US Regulation Military Trumpet
Vintage US Regulation Brass Bugle
US REGULATION BUGLE BRASS VINTAGE REXCRAFT
Vintage CONN US Regulation Made in USA BRASS BUGLE Turned into a LAMP not workin
