Hey you got a good deal on that mamba, Lol. I found the sale I'm good like that here is the link to the won you bought looks good man nice score.

1987 G.I. Joe Cobra Mamba | eBay

Hey Dave, honest opinion, what do you think about $40 for a Mamba?? It is 100%, gyro, file card, box and blueprints included. $16.95 S&H.....talk with you later.