Re: OK, dumb question
1967 – 1980 (“T-top”): “T” on bobbin top, Chrome cover, Alnico 5, polyurethane wire, automated winding begins ‘65 – ‘68, some ’69 – ’73 pickup covers embossed “Gibson”, “patent no.” sticker on baseplate ’67 – ’74, (patent number metal-stamped beginning 1974), ink stamp with date ’77 – ’80, ohms average 7.5k – consistently reading between 7.3k – 8.0k.