Filters
Brass Treasure Chest - Rocky Chiaro
Corky - Gary Foshee
Secret Drawer Box - unknown
Barricade - unknown
Roc-Key - Rocky Chiaro
The Treasure Within - unknown
Oval Trick Box - Jean Claude Constantin
Cigar Puzzle - Marcel Gillen
Hercules - Jean Claude Constantin
Key Maze - Oskar van Deventer
Yin and Yang - Doug Engel
Six Key Mine  - R.D. Rose
Brass Pyramid - unknown
Intragon - Jost Hanny
Pandora's Box - unknown
Tirelire - unknown
Trotzklotz - unknown
Steel Pyramid - unknown
Snap Latch Box - unknown
The Circular Puzzle - unknown