Erick, thanks for the kind comments, I buy old MOP and stag when I can and use it on new blades. L aurence thanks for the comments, yes a lot of the opera glasses were made over sea's, don't know where this one was made, am working on another it was made in the US by Julius King Optic Pat. Nov. 23 1882 & Mar. 12 1889 it has gorges MOP. on it will post it when done. Deane