Khipu Notes:
UR58A (= MASMA 23284A) and UR58B (= MASMA 23284B) appear to be two parts of a single khipu (see depiction in notes).
Primary Cord Notes:
UR58A and UR58B appear to be two parts of a once much larger khipu containing some 106 cords (58 + 48 = 106).