In the late '60 s my husband bought a large HO engine (12" long), the box has the name AHM on it ,but I can't find it on line (out of business??? )
Address: 6452 Industry Way B, Westminster, CA 92683, USA
John Castaneda | Aug 26, 2019
Old company, actually a Riverrossi product, made in Italy.
John Peckham | Aug 26, 2019
Check on Ebay....
or contact their successor company...
http://www.ihc-hobby.com/
Thanks! Your answer is awaiting moderation.