Can anyone tell me the reason behind super Mario bros/duck hunt label variants. I have a copy of each one with the nintendo logo in the middle and one at the bottom. One dosent have the official nintendo seal of quality on it either. I can't find much info other than a website called "nintendo oddities 7". I just want to know why and if either is rare or worth more or maybe bootleg? Thanks everyone. Power to the players!
Agentretro79