Postcard commemorating the 500th anniversary of  the invention of the printing press by Gutenberg and the 100th anniversary of the first Bulgarian-owned printing press, 1940. (colour litho)
{"Image ImageDescription": "5232316 Postcard commemorating the 500th anniversary of  the invention of the printing press by Gutenberg and the 100th anniversary of the first Bulgarian-owned printing press, 1940. (colour litho) by Bulgarian School (20th century); Private Collection; (add.info.: Postcard commemorating the 500th anniversary of  the invention of the printing press by Gutenberg and the 100th anniversary of the first Bulgarian-owned printing press, 1940. The portraits on the stamps are of Johannes Gutenberg and Bulgarian publisher Nikola Karastoyanov.); Look and Learn / Elgar Collection; Bulgarian,  it is possible that some works by this artist may be protected by third party rights in some territories.", "Image Copyright": "Look and Learn / Elgar Collection / Bridgeman Images"}