Measuring a total length of 5 1/4 inches. Silver blade front and notch rear sights, with "P in a burst" stamped in the upper left flat and "DERINGER / PHILADELA" on the upper flat, with a pair of silver bands bordering the breech plug. "DERINGER/ PHILADELa" is marked on the lock plate. Fine scroll engraving is visible on the tang, hammer, lock, bolster, accent plate, reverse plate, initial plate, escutcheons, trigger guard, pineapple finial and the buttcap, which is fitted with a cap box. Such compartments are rare on smaller pistols. Checkered stock, with a silver triangular accent plate on the tip and a bird's head butt. Matching numbers on the trigger guard and compartment lid. Very unusual 5-groove rifling in barrel.