5/1/20 - This is an original WW1 Imperial Luger tool. The tool is crown "V" proof stamped on the front. There's a small number "3" above this proof. The back or reverse of the tool is serial number or unit number stamped "1990". There also appears to be a faint "B" stamped before the numbering on the back. The tool is refinished and has dark bluing throughout. There are multiple areas with bluing over light corrosion.