This is STC 58 Diagonal Cube puzzle in Maple and Walnut. This is one of Stewart Coffins finest designs, and probably one of the most challenging puzzles to make. Consisting of 42 indivicual elements, glued up into six disssimilar and non symmetrical pieces it is assembled into its final cube shape only one way. This puzzle measures ~2.25” on each side and weighs 4.4 oz. (124 g)
