Knocking Cattle Chicago Slaughter House Animal Graphic USA Old RPC Postcard

nr64 Antique graphic postcard circa 115 years ago origin of Chicago Slaughter House and entitled Knocking Cattle showing a worker hammering the head of an animal unconscious to be finally killed (my apologies for description but accurate)  - This has some small also some mild surface places etc, very small corner and edge fraying, small corner impressions, and shows a rather aged appearance even though no obvious ageing (bar mild reverse darkening) graded vg minus unused.  A character postcard but for discerning strong stomach collectors.