Nice one! Love that old 17th century German States stuff. I see PCGS prongs. What's the grade? Looks AU at least, if not MS. I had a Hildesheim 2/3 thaler on my old Holey Coin vest. A kind member on the Collectors Universe forums gave it to me. The surprise gift cheered me up in an otherwise difficult week. It was a healthy sized chunk of silver, even though not quite a full thaler.
You know, I feel like I check my mail regularly and things like this never seem to show up. I must have the wrong box. beautiful coin and great addition to your awesome prime number set.
You aren't chanting the correct incantations. Make sure you use mistletoe in the conjuring, too. The mistletoe must be harvested by the light of a full moon, with a silver sickle.