For sale is an original Cast Oskar Puzzle (Hanayama). This was Hanayama’s very first cast puzzle. It was designed by renowned Dutch puzzle maker Oskar van Deventer in 1987 and produced in 1988. The production was discontinued because the transparent plastic cover did not match with the cast-metal theme. Given its limited production quantity and historical value, it is truly a collector’s item. The object is to slide the two keys out of the lock. The puzzle has been carefully stored and rema...