cover MEDGYES: undated c.1828 XU5 showing a fine and clear example of the rare "MEDIAS" negative seal at top, also 1833 large part E. to Nagy Györ with a superb strike of the oval framed "V:MEGYES" h.s. in black. Both unlisted in Müller. Photo

细节
cover MEDGYES: undated c.1828 XU5 showing a fine and clear example of the rare "MEDIAS" negative seal at top, also 1833 large part E. to Nagy Györ with a superb strike of the oval framed "V:MEGYES" h.s. in black. Both unlisted in Müller. Photo