Χαλκογραφία/ξηρή χάραξη Μ101 Galaxy Μ31 Galaxy Tycho The Gate The Aegean Boar Sun Stymphalian Hens Spring Self portrait Self portrait Saturn Orion Melancholy after Durer Lion of Nemea Jupiter Lernaia Hydra Hibernus Giordano Bruno Eratosthenes Deer of Kyrenia Cosmoskull Copernicus Autumnus Andromeda Aestas