It has been already 1 SO years since the first postage stamps, valid on the territory of Slovakia, have been printed. These were then the postage stamps of the Austrian Empire. Englad is the country, where the first postage stamp in the world has been published on 6* May 1840. In the next decade there came the postage stamps of other 9 postal services have been printed, among which, there were also the postage stamps of the Austrian Empire printed on the 1* June 1850. At that time Slovakia was one of the countries under the Habsburg rule and as part...