Author Hans I. Bjelkhagen Introduces First Book On Postage Stamps, Hologram Collection

‘Holography and Philately’ presents chronological review of postage stamps issued worldwide, souvenir sheets containing holograms. (PRWeb June 23, 2014) Read the full story at http://www.prweb.com/releases/HolographyandPhilately/06/prweb11965680.htm

More: continued here