This puzzle is an exchange puzzle by George W. Hart for the International Puzzle Party 28 held in Prague, Czech Republic 2008.
Shipping worldwide (incl. USA) from The Netherlands, costs (incl. tracking):
Outside EU: 25€
EU: 15€
Netherlands: 7€
Payment via Direct bank transfer, Wise or PayPal.
*Buyer pays shipping costs and PayPal fees if not paying with F&F, so please wait for the final invoice before payment.
Feel free to message me if you have any questions.