Charles Perry Mid Century Interlocking Brass "Ball Puzzle" vase signed AM To me the writing (and

To me the writing (and paper) here looks c

and have found one other example of her work--different in shape

15ʺW × 6

This is the first time I've seen an American folk art carving of it through

circa late 70s or early 80s

Charles Perry Mid Century Interlocking Brass "Ball Puzzle" vase signed AM To me the writing (andThis "ball" puzzle, comprised of interlocking solid brass pieces, was designed in 1967 by Charles O. Perry (American 1929 2011), a sculptor and designer best known for monumental structures composed with mathemetical complexity. There is one "key" piece that spring locks into place to complete the puzzle, and will release once one finds it (a bit of trial and error but not hard) to allow one to take it apart. (I have not ventured to do so!) The first