Mark Aziz’s strange and wonderful gun collection is up for grabs (PHOTO)

The Aziz collection includes a number of items that are literally, one-of-kind. (Photos: Cowans)

The Wheeler, a .50-caliber, 7-shot revolving rifle from 1818 was purchased by the U.S. Navy for trials. According to Cowans, of the four known to exist, three are currently in the Smithsonian and VMI museums, making this example the only one in private hands, and therefore the only one available for purchase anywhere. Estimate: $100,000 – $200,000

Colt Paterson 20-ga revolving shotgun, serial no. 102. Estimate: $25,000 – $50,000

H.S. North revolving shotgun with a six-shell cylinder and a 23.5-inch “octagon to hexadecagon to round barrel” Estimate: $15,000 – $30,000

A .40-caliber Billinghurst pill lock revolving half-stock sporting rifle. Estimate: $6,500 – $10,000

How about an Adams Model 1851 percussion revolving rifle in .52 caliber with a casehardened finish? It’s a double-action five-shot made in London a decade before the U.S. Civil War. Estimate: $3,000 – $5,000

This Buggy Rifle with skeleton stock and tube sight is marked that it was the work of C. Bunge of Geneva NY in 1870. Estimate: $3,000 – $6,000

This A. C. Faivre repeating pistol model dates from 1858 and highlights a brass magazine tube under the barrel as a powder reservoir. Lead balls were stored in a helical spring system held in the butt of the gun. Estimate: $1,500 – $2,500

Mr. Joseph.B. Prescott’s Breech Loading Cannon patent model from 1862

William. Douglass Gun Batteries Patent: Model No. 43, 903 from August 23, 1864, that allowed its gunners to take cover behind an armored plate.