Looks like interesting mono cart

[atcman]

https://www.ebay.co.uk/itm/37389088...d=link&campid=5338728743&toolid=20001&mkevt=1

 

[narabdela]

Wrongly described as just a stylus, so that will probably limit interest.

Might be worth a lowball bid.

 

[narabdela]

Went for £132.