My patina project

[Dr Manhattan]

Been trying to find a site for a supplier of the chemicals antiquers use to force different coloured patinas outside of the normal, like yellows, purples and reds. No luck though

 

[Lord Grim]

This group on FB is a mine of info. It looks like they have shut their doors, (it used to be an open group), so you'll have to request to join but still...
https://www.facebook.com/groups/1400970210164174/?fref=ts