black silver butterfly 19th century calotype print with rusty markings

black silver butterfly rusty markings 19th century calotype print dan witz style detailed feather rendering 18601969 darktable processing chinese brushwork dark bronze yellow silk painting art vintage nature insect antique artwork historic artistic vivid colors fine natural history collectible decor unique design technique aesthetic craftsmanship expression ornate beauty documentation interpretation butterfly background created realistic anamorphic art feathers features intricate brushwork captured large format film reminiscent classical academic painting patina adding chiaroscuro effect generated