etched mark EXBOR CZECHOSLOVAKIA design I. Rozsypal circa 1970, production Exbor Nový Bor glassworks, glass, decorated with sealed fabric, low square vase, height
Srov.: Vondruška Vlastimil, Langhamer Antonín, České sklo. Tradice a současnost, Crystalex Nový Bor 1990 ,pg. 168.