The special type of Iron Age glass decoration represents so called “mask“ beads. This topic was developed by M. Karwowski, who divided the beads into the two types – the “mask-beads“ (type 904 after Venclová), and the “bobbin--beads“ (type 904 after Venclová). In Central Europe both types were known already in LT C1 and they continued to occur until the late La Tene Period. They are still rare in Moravia: in addition to few old fi nds, a few other fi nds have been reported from other places. However, most of these new artefacts unfortuna-tely did not originate from closed fi nd complexes, but they were found by surface survey. The distribution map shows these artefacts barely occur to the north and west of Moravia.