Solid Sterling Silver Euro Sign CufflinksDescription Details Euro sign cufflinks in solid hallmarked sterling silver. The euro currency sign () was designed to be similar in appearance to the old sign for the European currency unit. After a public survey had narrowed the original ten proposals down to two, it was up to the European Commission to choose the final design. The eventual winner was a design allegedly created by a team of four experts who have not, however, been officially named.