Various boxed <b>programme cassettes</b> (mostly games) for the East German home computer <b><a href="https://en.wikipedia.org/wiki/KC_compact" class="extiw" title="en:KC compact">KC compact</a></b> (clone of the <a href="https://en.wikipedia.org/wiki/Amstrad_CPC" class="extiw" title="en:Amstrad CPC">Amstrad CPC</a>), manufactured by the <a href="https://en.wikipedia.org/wiki/Kombinat_Mikroelektronik_Erfurt" class="extiw" title="en:Kombinat Mikroelektronik Erfurt">VEB Mikroelektronik</a> "Wilhelm Pieck" Mühlhausen.
Enrico Grämer
Attribution
The author sent the photo to me.