Also, his prints are simply rare. There are less than 500 images in his entire body of work, as I recall. Only some of those used blocks (he also made lithograp

Also, his prints are simply rare. There are less than 500 images in his entire body of work, as I recall. Only some of those used blocks (he also made lithographs, mezzotints, aquatints...), and only some of those survive.