Cultural Reference point #18 - Waddington's Jigmaps, a sociocultural snapshot of how the world was, fifty-odd years ago.
Some of the Jigmaps in the series (like 'Northern Europe' and 'Southern Europe') could be joined together when completed like two huge jigsaw pieces, to make an even larger Jigmap. I'm sure you'll agree, this is exciting stuff!
I like the little separate jigmap of Tazmania: