Ca. 1966 Mosrite Mark X 'Joe Maphis Bass' model 502, natural. Made in USA, serial number R080. This bass is all original including the faux gator hardshell case (handle missing). Has matching serial number underneath the pickguard, '66 pots so could be '66 or '67 production. Very attractive top, easy to play and the pickups are strong sounding. Weighs 4kg.