I've seen plenty like those. Still not the best pins I've seen by a long shot. Those types of fully plated round pins in a variety of socket settings and configurations were pretty common in the early and mid 90s. I recall a larger batch of Rockwell 28k modem Jack's and serial ports that had them. Definitely better than any modern equipment, but no where near the best socket style pins I've ever encountered
For truly great plated pins you'll need to find aerospace grade boards.
Steve
For truly great plated pins you'll need to find aerospace grade boards.
Steve