Postcard - ‘Two eagles’.
Two eagles of which one can fly and the other can't represent two opposites: air and earth. Michael Maier (1568-1622) describes phases from the alchemical process in Atalanta fugiens, 1618.
There is a brief explanation of the image on the reverse of the card.
Size: 105x150 mm
© EFM/Bibliotheca Philosophica Hermetica Collection