Some years ago I started to collect 6502 CPUs. I am surprised that there are so many different housings. Almost all of them are different.
Here is what I currently collected:
A very early 6502A with 2MHz Clock Speed from Week 45 in 1976 – a nice version
This is a 6502 in clean white ceramic from week 09 in 1976 – a bit corrosion on the silver plate
A white ceramic 6502 with straight ground wire from week 43 in 1976 – tiny cracks on the right and a interesting pin mount.
A industrial type 6502 from early 1977 with ground and mounting holes
A 6502 from week 22 in 1976 With ground Wire – some minor scratches from socket pull