Good, old, U.S. built mandolins (Gibson, Martin, Weymann, etc.) are getting harder to find, but not impossible. The oldies also require a bit more care and maintenance that some folks don't want to do. There are great new mandolins being built today, in the U.S., of course, but also the East is supplying some of the nicest sounding mandolins ever. Even the beginner models are better than the old Kays and Harmonys.
The used inventory usually includes various flat back models, along with a few bowl-backs, mandolas, bouzoukis, octave mandolins..... We have a number of used mandolins (no Loars right now).
Maybe we have what you're looking for. Please ask.
Gold Tone Mandolins
A lot of people know of Gold Tone's fine banjos, but don't know they make a fine mandolin as well!