Just bought a 1961 voit mask in electric blue off ebay. Delivered yesterday and ready to use (no perishing, cracks etc at all). Cost me $10 excl. shipping, guess I got lucky!
BTW, Mr. Croft is absolutely right, sets off my DA Aquamaster to a "T"...
...and my Snark III
...and my Healthways
...and my Voit 50 fathom
...and my 1950's AMF Swimmaster gauge
...and
...and
...and
Run for your life! It's addictive! They've got me! They've got me! Save yourself before it's too late! Aaarrgghh, Aarrgghh!!!!!!!!!!!!!!!!!!!!!!!!!!!!!