1922 (Loar Period) manufacture date (traditional estimates)
1922 shipment date, according to Spann's Guide to Gibson
Mando-viola, Style mv
Factory Order number: 11729
Virzi Serial Number 10093
Ten string, A-model, mandola body, f-holes, headblock #11729, unique pickguard bracket (unlike 70281).
The Mando-viola's serial number appears in pencil, but there are no labels. Very well-established provenance of this being Lloyd Loar's personal instrument have always placed this as a "Loar" instrument
From Roger Siminoff: Scale length is 15 5/8". Tuning was Eb / Bb / F / C / Eb (bass to treble), but Loar was known to play it in various unusual tunings.