Nature Protection: Slovak Minerals – Sceptre Quartz from Šobov Issue number
97 CM 549/13
Date of issue
11.10.2013
Nature Protection: Slovak Minerals - Precious Opal from Dubnik Issue number
96 CM 548/13
Date of issue
11.10.2013
Biennial of Illustrations Bratislava 2013 Issue number
95 CM 545/13
Date of issue
02.09.2013