Two lots of 50 x 1966 50c for sale $625 each plus shipping Some fading & spots on a few but overall ok condition.
My apologies Annie, I should have been checking more diligently, but I have now checked and I got a private message about 35 mins ago (I was distracted talking my wife) and so both got sold to robertc400.
I think they're the silver equivalent of Sovereigns, at least in Australia You might have trouble shifting them overseas.