What stands out about model 4776 is the uncommon variant of the binding.
VIC-1541 Single Drive Floppy Disk User’s Manual 2nd Ed 1982 Commodore
I like how the 3210 model looks like it’s from another time.
Vintage BASIC in 60 Minutes a Day C. Lorenz 1984 Hofacker Germany Rare PB Book
This 0794850707 copy has a small stain on the back cover, but it’s minor.
