I stumbled across this searching auctions.
Description: This is a cane gun with an ivory top. The cane is attributed to John Blanch of London (1801-1900). The over-all length is 38 1/2 in. at about .40 caliber. The complete set comes with a key for cocking the mechanism and an air pump. The brass covered end cap removes to reveal the ramrod. A small front sight and small buck-horn shaped rear sight is intact. This is a neat invention. The overall appearance is a wood stained cane when in reality it is a metal frame and barrel. No gun collection is complete without one of these inventive guns. This gun is an antique and no attempt has been made to fire this gun to confirm its mechanical integrity. Nor should this gun be fired without the examination by a qualified gunsmith. Any attempt to fire an antique gun is at the risk of the owner and not consistent with the value of the firearm.
Description: This is a cane gun with an ivory top. The cane is attributed to John Blanch of London (1801-1900). The over-all length is 38 1/2 in. at about .40 caliber. The complete set comes with a key for cocking the mechanism and an air pump. The brass covered end cap removes to reveal the ramrod. A small front sight and small buck-horn shaped rear sight is intact. This is a neat invention. The overall appearance is a wood stained cane when in reality it is a metal frame and barrel. No gun collection is complete without one of these inventive guns. This gun is an antique and no attempt has been made to fire this gun to confirm its mechanical integrity. Nor should this gun be fired without the examination by a qualified gunsmith. Any attempt to fire an antique gun is at the risk of the owner and not consistent with the value of the firearm.