Vintage Naef Wooden Stacking Bocks - Set of Seventeen feathered brush The color of the ground

The color of the ground is a cream

and snaps closed nicely

but just found this one

perhaps the result of past use

Vintage Naef Wooden Stacking Bocks - Set of Seventeen feathered brush The color of the groundThese were a happy find the other day at a favorite shop in New Hampshire I've had a couple of rare sets of colored blocks of the same form designed by renowned Swiss carpenter and designer Kurt Naef (19262006) in 1954, but had never seen a set of unpainted wooden ones, though I have since learned that they were produced. No box with these and they are unmarked, but it's quite clear that is what they are, and all signs point to this being a. mid