Rare sound patch card for Casio VZ-1 or VZ-10M. Not your normal RC-x series of Casio library patches. Save yourself hours of sound patch programming and add these new sounds.

As i remember:

One patch Bank E-4 "Is It Mini” very good bass sound of Minimoog

Card, literature and packaging is original complete like it came back in '90.

From package:

YOUR PROGRAMMER: THESE CZ SOUNDS WERE PROGRAMMED BY ANDREW SCHLESINGER,

A WELL-RESPECTED PROGRAMMER IN MANUFACTURER CIRCLES. HE ROUTINELY PROGRAMS FOR

ENSONIQ, KORG, CASIO, EVENTIDE, PEAVEY, SONY, WALDORF (PPG DESIGNER), AND OTHERS.

ANDREW HAS BEEN PROGRAMMING SYNTHESIZERS AND STUDIO EFFECT DEVICES FOR OVER 16 YEARS.

and that was over 30 years ago