QUESTION: Clásicos Spectrum only in bundles?

QUESTION: Were MicroByte’s «Clásicos Spectrum» packs created by Indescomp exclusively to be sold alongside the Spectrum +2 as a publicity stunt, or were they intended to be sold separately?

There is evidence that they were sold separately, but the lack of reference codes and legal deposit on tapes and boxes suggests that it was not the original plan.

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