 This is likely due to the Hi-Flier Custom being created simply to use leftover stock badges from a previous "Univox Custom" model (a hollowbody 335-type guitar built in the early 1960s).The factory presumably had many badges left over, and used them on the Hi-Fliers until they ran out, returning to the standard "Univox" badge.A redesign retained the P-90 pickups but included the following changes