This single coil pickup, a.k.a. the 'Mickey Mouse' pickup, was in general use from appr. 1966 to the end of the '60s. It was used om most of the lower-line instruments, like the X-50, M-65 (3/4), T-100(D) and the Studio Series. Also the Thunderbird S-200 from the second half of the '60s came with these pickups. A few guitars from the early '70s were equipped with this pickup as well.