Vintage Small Metal Model Cannon Desk Item

A nicely detailed small sized metal cannon which is actually a pencil sharpener, it comes on a wood base which has a lable for 'Parott 10lb' however this model does not resemble the accurately spelt 'Parrott' canon faithfully, on the base is a barrel with shot and ram rod, it comes in good condition and the base measures app 5 inches long.