Signed by Lloyd Loar 1924 manufacture date (traditional estimates)
1924 shipment date, according to Spann's Guide to Gibson
Mandola, Style H5
Factory Order number: 110581
there is no Virzi in this instrument
Converted to F5 via shortening sides and matching the top and back, stamp no. 110581.
Writing on neck block:
"REPAIRED BY LUKE THOMPSON
GIBSON GUITAR CO
1986 H-5 76485"
From Darryl Wolfe.
Darryl Wolfe's F5 Journal is the authoritative work on the subject of Loar-signed and later Gibson mandolins