I don't know if I would call this a gambit. I would probably just count this as a simple sac capitalizing on Black's mistake. Can't count how many times I have played against Black's awful move 2....f6?? though. It any sense - a well played game.
Loomis wrote:It's not even a sac, it's a combination. The material taken on move 3 dby black is guaranteed to be returned to white a couple moves later.