Maybe not a complete quipu, as the "mainstring" has knots. Could be a pendant with secondaries?
Groups: none
Colors: brown, tan
Color combinations: monochrome
Strings: main (with knots), pendants,
Ply: all S
Diameter: main, pendants
Recto/verso (tying pendant to mainstring):
Knots:1/1 endknots (like a single knot), 8, long knots (Z), single knots
Sammler: Gretzer, Wilhelm