6 Euro (2015) in silver (0,925) commemorating the International year of light and light-based technologies. A lamp at center with rays of light towards the periphery on obverse. Inside slab by NGC "PF 70 ULTRA CAMEO / INTL YEAR OF LIGHT". Cert number: 3937724-082. Accompanied by its official case of issue and CoA with no "0455". (Hellas CE.69).