Official Sega Mega Drive Control Pad -- White Start Button

Sega Mega Drive Wired Controller Black with White Button Model 16520

Official SEGA Mega Drive Controller - 1650 - Genuine Wired Control Pad

Official Sega Mega Drive Control Pad - Blue Start Button

Official Sega Mega Drive Control Pad -- Red Start Button

Official SEGA Mega Drive Controller - 1650 - Genuine Wired Control Pad

Sega Megadrive Controller

SEGA Mega Drive Model 1 Controller Model No. 1650 Tested and Working