Originally Posted by Whiskeydan

Looks like it's a "Fairytale" Pumpkin.

http://www.allaboutpumpkins.com/varieties.html#fairytale

This is an old time pumpkin from France. It is deeply ribbed and has a very smooth hard surface. It is dark green in color when immature, and as it cures it turns a gorgeous deep mohagony. It is fine grained and well suited for pies. It's true name is: Musque De Provence.