Convolution Cube STC-30 (signed copy), by Stewart Coffin/John Devost

Convolution Cube (STC-30 signed copy) - Disigned/Produced by Stewart Coffin/John Devost

Signed copy, beautifully made and in excellent condition.  All pieces fit together niely.

Seven (7) pieces fit together into a solid 4x4x4 block.  Dis-assembly requires an unexpected move. 

One piece is internally signed "STC #30, 02/07 J.Devost".

Size: 7.5 x 7.5 x 7.5 cm

Materials: Mahogany, Padauk, Cherry

Thanks for looking!

Payment: PayPal (friends and family) preferred.

Shipping: 

US address via Priority Mail $15 including tracking.

International shipping will be calculated at end of auction.

Please don’t pay until shipping has been added to Invoice.

Happy to combine shipping for multiple puzzles.