Rare Bayer Hauptmünzamt Medallion, Fine Silver Martin Luther Johann Bestandige

Very rare Bayer Hauptmünzamt Fein Silber Medallion. Features Martin Luther & Johann Bestandige on one side and a castle from 1530 on the other side. Says "ICH WERDE NICHT STERBEN SONDERN LEBEN". Can't find any others like it and a coin shop had offered me $125 a few years back. Weighs 1.765 ozt and has a 60mm diameter.

Take a good look at the pictures.