![]() 16 in sheets of eight stamps and a label. The 1.70-marka stamp from the Bosnian Serb Administration features a symbolic design, representing the refraction of light. ![]() The design features a detail of Creation of the Sun, Moon and Planets, part of Michelangelo’s fresco on the ceiling of the Sistine Chapel. Also pictured in the tab is representation of rods and cones, two types of light-sensitive cells in the human retina.Ĭartor, a security printer in France, printed the stamp by offset in sheets of 15 stamps and five tabs.Īlso printed by Cartor, the Vatican City’s International Year of Light stamp was issued Feb. The emblem of the International Year of Light is shown in the tab, or label, attached to the stamp. The equation developed by Edwin Schrodinger in 1925 is the most fundamental tool of quantum mechanics.ĭiscovered by Franz Christian Boll in the 1870s, rhodopsin is located in the rod cells of the retina and converts light into electrical signals. The prize was jointly awarded to Martin Karplus, Michael Levitt and Arieh Warshel “for the development of multiscale models for complex chemical systems.”Īccording to information from the Israel Philatelic Service, the stamp design represents the Schrodinger equation on the left and the protein rhodopsin on the right. 20 by Israel commemorates the International Year of Light and the 2013 Nobel Prize in chemistry. This stamp also shows planets in orbit and the emblem of the year.īoth stamps were designed by Vitaliu Pogolsa and printed by Nova Imprim in separate panes of eight. international year, the International Year of Soils and Plant Roots.Īn article posted on an information and educational website for business, tourism, history and events in Moldova describes the design of the International Year of Light stamp as picturing a lens that reflects the colors of the spectrum. 21 along with a 1.75-leu denomination honoring another U.N. The 4.50-leu Moldova stamp was released Feb. Moldova, Israel, Vatican City and the Bosnia Serb Administration) celebrated the International Year of Light on stamps issued in February. Enschede of the Netherlands printed it by four-color offset, plus screen printing of the aforementioned special inks, in panes of 16. When irradiated with UV light, the colour turns from pink to violet.” The press release explained, “For the experiment on quantum theory, the light pink colour behind the ball was printed with a special colour. The wave theory can be demonstrated by holding the stamp up to light, according to the philatelic office, because microperforations in the stamp paper are “easily visible as the light waves are diffracted through the small openings.”Īn ultraviolet light is needed to see the third special effect, or “experiment” as the philatelic office calls it. It turns into a source of light if it was exposed to sunlight beforehand.” Liechtenstein’s philatelic office said, “The background of the stamp glows in the dark owing to its flourescent colour. Green Valley, AZ 85614īrowse our wide-ranging collection of auction catalogues previewing the rare stamps and lots being offered at upcoming sales.Ī fluorescent yellow ink ties in with the optics theory. Your 200 different foreign plus SAES for my 200 different. ![]() LARGE SCOTT SPECIALITY 3-RING BINDER - TOP SELLER! Find information about every stamp issued by the USPS and other postal services since 1997, and learn where in the world stamps about your favorite topics are being issued.Quickly search our catalog by OR across countries, zoom, take it anywhere and much much more. The all-new way to always have the latest listings and values.Maintained by our expert staff (who also publish Linn's), we catalog all new stamp issues and regularly release stamp value updates. The Scott Catalogue of Postage Stamps is the foremost name in stamp collecting.Monday Morning Brief | New stamps in catalog.essays, proofs, trial colors and specimens, Fleischner U.S. Bahamas celebrates its 50th anniversary of independence with new stamps. ![]()
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