Correos presented its Caramelos de violeta issue at the opening of Madrid’s 56th National Stamp Fair on 22 October 2026. The release belongs to the Dulces centenarios series.

The miniature sheet contains six flower-shaped €2 stamps and measures 162.8 × 162.8 mm. Correos specifies offset printing on coated, gummed, phosphorescent paper and a print run of 65,000 miniature sheets. A ceremonial cancellation accompanied the presentation in Plaza Mayor.