A late 19th century antique treen puzzle ball,  a similar one being illustrated in Pinto and described as a jigsaw formed as a ball. It must have been as difficult to make as it is to assemble. Described as a Chinese globe  puzzle.

Page 227 Pinto, Treen and other Wooden Bygones.

It measures 8cm in diameter.

Antique Treen Puzzle Ball & Bowl