Goerz New York, 1930s - shutter not original - http://www.ebay.com/itm/GOERZ-DAGOR-...item2585fa3707
Goerz New York about 1906-1908 - http://www.ebay.com/itm/GOERZ-DAGOR-...item20dcb2e342
Goerz Berlin late teens, no "serie" http://www.ebay.com/itm/Goertz-168mm...item51b4689407
Goerz Berlin late teens with "serie" - http://www.ebay.com/itm/Goerz-Berlin...item3cda0dd89f
Goerz Berlin early twenties - this is how your lens would be marked if it was real. http://www.ebay.com/itm/C-P-Goerz-Be...item565eaa7b6e
A bit of advice - don't make a thread asking a question, and then argue with every answer that does not go along with your preconceived speculations.