It was an eBay purchase. I'm going to try to dig through feedback and refresh my memory. It was toward the beginning of my box fetish mid summer. I don't think there were even pics, and I got it for next to nothing, especially considering the CIB price on price charting. The box is a bit rough, and one of the tabs is ripped off, with visible damage to the side label.
From my co-worker, I got a few dupes of games like Metroid, Mario, Rad Racer, etc. (and a few gems, TMNT Tourney, Battle Toads/Double Dragon, Mega Man 5) and I was going to see the extras off in trade, but decided it was cool since nearly all were the opposite of what I had (He gave me a 5 screw, I had a 3, etc.). If I had not received the duplicates from him, I would have never shown interest in screw variations, and I would have never Googled a list. I decided to go through the boxed games to double check (since I couldn't do a quick visual scan like loose carts), and sure enough, I opened Stinger to find this. Then the search began...
So, do you think it's legit? Thanks again everyone!
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"Music is the best" - Frank Zappa