Box art..... (2 Viewers)

[Lucky13]

 

[Lucky13]

 

[Lucky13]

 

[Lucky13]

I think that I got one of these sent to me from Brno back in the late 70's or early 80's, thanks to my dad's pen pal there....

 

[Lucky13]

....and catalogues!

 

[Wurger]

 

[Lucky13]

I do wonder about the green sky....

 

[Wurger]

Like the scan , like the merry dancers .

 

[CATCH 22]

I do wonder about the green sky....

View attachment 903048

It's maybe the ground, not the sky IMHO. Looks like forests and lakes to me. Or a coastline (water is under the second a/c)