SS- Hoist Flag , marked.

SS-Hoist flag ,scarce, flag has a stain on one side;measuring 55 inches (w) x 33 inches (h); no holes,flags like that were hoist on the site of concentration camps, SS Command headquarters; flag is marked R.B.NR.0/0471/0040.The Reichsbetreibsnummer (R.B.NR.)was a number system that gave each firm a nine digit code that protected their location and identity. These codes replaced the three letter and number codes in Germany used as a protection against Allied attacks. Name and year markings were replaced with a designated code.This was known as the National Business Number or R.B.NR.The first prefix number was 0 through 9,This determined the Trade and Industry group, the second group of four numbers is a district code, its identifies the location of the company known as a Kreis, the third set of four digits was assigned to identify each individual company within that particular Kreis. No master list has survived so most makers are unknown.