One last thought....
If you want a dark 1911 instead of a shiny one.
It looks like stainless damascus can be put through hot bluing process by a gunsmith.
Acid etching and bluing can actually be done together. The link below has an example of someone putting a piece of metal through a process of acid etching, bluing, polishing, etching, bluing, and polishing.
http://www.iforgeiron.com/topic/2659...uing-damascus/