Antique bird print of two eagles and an eagle claw. This print originates from 'Historiae Naturalis De Avibus Libri VI' by John Johnston, published by Matthias Merian in 1657. Artists and Engravers: John Johnston (or Johnstone, 1603-1675) was a descendant of a Scottish family. Born in Sambter, Poland, he studied extensively at the famous universities of the day, including St. Andrews, Scotland, Cambridge & Leiden. After many years traveling in Europe, he settled in Silesia. Matthaus Merian was a leading German engraver of the day, from a prominent family of engravers and artists, and the father of Maria Merian. Condition: Good, general age-related toning. Minor defects and creasing, please study image carefully.