The 1972 catalog lists finish options including Sunburst, White, Competition Burgundy, Competition Red.
By ’73, Fender price lists include only four options – Sunburst, Olympic White, Competition Burgundy, and Competition Red. Later years saw the Mustang Bass built with poplar or ash bodies dressed in sunburst, natural, walnut, black, and Wine Red finishes.
Mid–1997 the CIJ logo was the only one used on Fender guitars coming out of Japan (with exception the Squire series). I really don’t know, but the MIJ logo Fenders were for the USA market.
A fingerrest was initially found on the treble side of the pickguard, but often, players removed it or relocated it to the bass side to serve as a thumbrest.
Initially, the Mustang Bass body was made of alder, but other woods were later used, particularly on natural-finished examples.
A Fender/CBS product, it was in fact a Leo Fender design and has a unique place not only in Fender’s lineup, but in the company’s overall history.
and both were being made at the same time from 1994 till 1997.
The model was first offered in colors listed simply as Red, White, or Blue; Red and Blue had white pearloid pickguards, while White had a reddish tortoiseshell scratchplate.