Cassette Series: Took regular cassettes, non standard format data.
Note: 1530 is same as C2N.  Therefore, variations were not expanded.
CBM C2N-1 Black, 8.00"Lx5.25"Wx2.50"H, 5 button, No Tape Ctr.
CBM C2N-2 Cream C2N-1, Tinted Window, Tape Counter.
CBM C2N-3 C2N-2 with bolder logo.
CBM C2N-4 Cream, 6.00"Lx7.75"Wx2.00"H, 6 button,Clear Win., Tape Ctr.
CBM C2N-5 C2N-4 with no counter label, orange under cassette.
CBM C2N-6 C2N-4 with no save label, bolder logo.
CBM C2N-7 C2N-4 with tinted win., bolder logo.
CBM 1531 Charcoal Grey C2N-6, Commodore 16/+4 Cassette Drive
CBM Load-It LED Readout, Adjustment Screw