deskthority

Indeed. I've not seen them so worn in any of my (very much NOT NOS) boards.

Should look like this:
https://deskthority.net/wiki/images/thumb/5/55/NMB_Hi-Tek_white.jpeg/1200px-NMB_Hi-Tek_white.jpeg

the black coating is present on a couple of switches but i have quite a few that look like the ...

Hello, can i get a price check on NOS loose space invader switches. Thanks!
https://imgur.com/a/5rtRtpy


id say maximum of 40 cents, it might be nos but the condition is not good imo, the gold plating is already off.


Any chance that the gray-ish coating on the contacts is oxidation? If ...

Hello, can i get a price check on NOS loose space invader switches. Thanks!
https://imgur.com/a/5rtRtpy