For Information - The reason for issuing this stamp is something very special and the stamp itself is also very extraordinary: On the 60th anniversary of Queen Elizabeth II's coronation, the Grenada postal administration issued this exclusive EMBROIDERY stamp made of fine embroidery thread: 

A blue frame surrounds two white fields in which the famous profile portrait of Queen Elisabeth II is on the one hand with red thread . as well as the crown and the English inscription were integrated on the occasion of the issue. A "royal" collector's item