Stamp catalogs are just about the most useful andnecessary tool of the hobby. Indeed, were it not for theseimportant publications, the hobby would amount to verylittle. If you did not procure a stamp catalog with yourinitial outfit you will certainly need one very soon, forthe entire stamp world revolves around these importantbooks. Albums are patterned after them; all stamp dealeradvertisements refer to them; all philatelic magazines,all philatelic writers and authorities base their articlesand studies upon them. Further, the catalog prices forstamps are the basis on which stamps are bought, soldand exchanged throughout the world.