Anyone ever spotted/got hold of the preview cart(rom) for the scrapped earthbound64?

Im just curious to see how it would have worked in 3d, even though people say the whole game got shifted over into the Mother3 gba game.

I didn't even know then had the time to make a cart/rom out of it, before the game got canned.

No, I haven't seen it anywhere, unlike 40 Winks.