U    PicSil1    ©1984, CART1
   C    PicGr2    ©1985, CART1, EL: plastic
x R    PicGr2    ©1985, CART2, EL: plastic
x R    PicGr2    ©1985, CART3, EL: plastic, EL: different font
x R    PicGr2    ©1987, CART3, ML: has “use with…”, has 26120, EL: different font
   R    PicGr2    ©1987, CART3, ML: no “use with…”