Here are some school folders (meant to be coloured in) from the collection of Bob Alexander over on Facebook (shared here with his permission). Each has the black and white illustration on the front cover, and opens into the two pocket interior (only one interior shown, they are all the same).

That balrog is awesome.

orfewspearl wrote:

That balrog is awesome.

That Balrog haunted my dreams for many years. For all it's faults the imagery of that movie still stands the test of time.

Thanks for sharing these Urulókë