For sale is a decorative plastic cartridge and gold ring that were only available in the Collector's Edition of Sonic Mania.
The cartridge is made to look like a Sega Genesis cartridge, but rather than a real playable one, the "chip" can be pulled to reveal a replica "gold ring" hidden inside, as seen in the photos.
The item has been kept on display in a smoke free home.
If you have any questions about the item, please feel free to contact me.
Thanks for looking!