An Advertisement from the 1891 Deutsche Jäger Zeitung announcing the Greifelt Drilling with the automatic folding rib sight based on Paul Collath’s Patent no. 52849 which became a universal feature of many Drillings. Below is a copy of that Patent.

 

Below is a gallery of photo’s of a mint unfired single shot falling block Griefelt rifle in 8.15 x 46.