Updating the serial number of Maartin Allcock’s 1976 526 mandolin, we find that it is actually H768066, meaning that it was made in August of 1976. Here is a full rundown of that mandolin’s features:

1976 Ibanez Mandolin 526
Serial Number: H768066
Model Number: 526
Finish Color: Cherry Wine
Headstock Inlay: 526-style Fern
Truss Rod Cover: angled corners
Signed Label: unkown
Case Interior Color: unknown
Notes: owned by musician Maartin Allcock. Only 1976 526 or 527 identified to date.