Regal's are very decent factory-made boxes. My first accordion was a Regal which I purchased from Larry Miller.
All in all it's a great student model, vastly superior to the Hohner, but several steps below a hand made. I still have mine and I occasionally play it just for fun...plus I don't have to worry about knocking it around too much.
F would be a bit high for my tastes, but it could still be fun to try out. From what I can tell, the buttons have been changed (improved) on that model. Also, I don't recall ever seeing one with crawfish bellows (as far as I know, this a trademark registered by Junior Martin).