Abdank is a Polish coat of arms. It was used by several szlachta families in the times of the Kingdom of Poland and the Polish–Lithuanian Commonwealth.
Abdank coat of arms on a page of armorial "Orbis Poloni" written by Simon Okolski (1642, Kraków)
Wilfrid Voynich was a Polish revolutionary, antiquarian and bibliophile. Voynich operated one of the largest rare book businesses in the world. He is remembered as the eponym of the Voynich manuscript
Abdank coat of arms
…Kazimierz Rudzki Wilfrid Voynich (born Michał Habdank-Wojnicz) Ivan Vyhovsky, hetman of the Ukrainian Cossacks…