A Group of Twelve Framed Botanical Photogravures by Karl Blossfeldt, Berlin, 1929Origin: German Period: Early 20thC Provenance: Unknown Date: c. 1929 Each: 11. 5 wide x 14. 5 high (each) The dozen antique botanical photogravures published in 1929 in Berlin for Urformen der Kunst", or "Art forms in nature", showing an interesting and striking array of flowers from around the world, each magnified up to thirty times, and now framed for display. The photogravures are in generally very good overall order with some light discoloration