Score did this with Dimaggio one year too (1992 I think) and were part of series tw0. I was at the Toronto Expo in May and bought a few boxes of these at $5 a piece hoping to hit one....alas my son got a few boxes worth of Score to add to his collection and that's all.
Building Base sets and Collecting All Tigers
Looking for 1951 Red Back #36 Gus Zernial JUST ONE MORE TO GO!!!!!!!