Question: Who appeared on the April 21, 1969 cover of New Zealand TV Weekly?
Answer:
New Zealand TV Weekly, April 21, 1969. Walter Koenig, as Ensign Chekov, had the cover this time. The article inside: "Into American TV - At Moscow's Request!"
Read more - In and Around Star Trek - in Chapter 24 of These Are The Voyages: TOS, Season Three.