I think that the Gizmondo is more known for the Enzo Ferrari crash than for his own success.
Promo Gizmondo items are not easy to come by!
BTW if I’m not wrong this shirt
is from the unreleased Colors! A GTA clone! You may check the article on Lost Levels: https://www.lostlevels.org/200609/
A weird Mario clock:
SUPER MARIO BROS 1992 RARE ATHENA WALL CLOCK
1992 NINTENDO GAME BOY METROID II RETURN OF SAMUS SIGN
this seller has always many interesting display ads!
Nice Counter Tester!
Spare Genesis DEV item:
Sega Genesis Developers cable VTM-000-280