Nice but scratched ONE OF A KIND!
Ok, get ready for one of the biggest public proto-related sales ever:
Castlevania4ever’s HUGE PROTO SALE
Huge quantities for various systems! Unreleased stuff! Hardcore items! Check the list and ask for prices. The seller is a pretty serious monster collector!
Other overpriced stuff:
RIDICULOUSLY RARE 1981 VOLTMACE Database Games Computer