Megumi Rescue

From Sega Retro

"Unreleased" arcade game

Do we have any proof this was unreleased? According to a recent MAME commit:

Only one board for Megumi Rescue has been seen (from an eBay auction), ROM labels where in this form:

(C)1987 SEGA/EXA

-Einstein95 (talk) 19:38, 14 October 2017 (CDT)

Here's a pic of the PCB. Whether it's a proto or just exceptionally rare, I couldn't say. - Hivebrain (talk) 21:11, 14 October 2017 (CDT)