Iittala Flatware Dining and Entertaining Tools Citerrio 98 Dinner Spoon - made of 18/10 Stainless Steel. Modern classic Antonio Citerio cutlery series from 1998 has become a modern classic. Using a Matte or polished finish with influences from traditional restaurant cutlery, Antonio Citterio has managed to create an attractive cutlery series suitable for both everyday and formal use.