Mario Roulette is a licensed(!) Mario-themed slot machine roughly based on Super Mario World.
Graphics for a Konami logo can be found starting from offset 0x1818 in 111_c06.7h.27c256 (the graphics resource) but it's never displayed.
Additionally, a registered trademark symbol that also doesn't seem to be displayed can be found in offset 0x1978 in the same file.
Present at 0x4A8B in 111_d01.3g.27c512 (the main program ROM) among the service menu text is text for an aging mode which doesn't appear to be accessible.