Desks on frame are the rarest of the American slant top desks, according to the preeminent dealer Israel Sack, who illustrates just such a desk. The cabriole leg on ours is very straight, indicative of the Rhode Island form. Also, the dovetails are the typical strong Rhode Island type. The interior is quite austere, and typical of this provincial form. This piece is in superb condition, having a beautiful light figured maple appearance.