Previously allocated Cat# DIN 10 is crossed out in the matrix and replaced is with a machine-stamped matrix and hand-etchings from Tape One.
Some copies have a reversed "D" in the stamped runouts (likely first issues, before it was corrected).
Back cover credits ℗ and © 1980
Dindisc Limited and Dinsong Limited;
On labels: ℗ 1980 Dindisc and Dinsong Ltd.