The article publishes two magic gems in private collection reputedly found in South Moravia, according to the personal information by Vilem Hruby, in the area of Stare Mesto in a context of Great Moravia. They both are of Egyptian origin and can be dated to the 3rd - 4th century A.D. One of them represents young Horus, the second with inscription probably mentions Chnoum. The authors mention parallels from Bulgaria, from the context of the activities of Methodius' pupils there.