Ireland. (Spain). 1857. stamp-less envelope written from Dublin dated '28th March 1857' addressed to Cadiz cancelled by Dublin circular 'Paid' with 'PP' in red , rated '8' in m/s, endorsed 'via France' and routed via London with London/Paid transit and framed instructional 'Returned For/ Postage' in red on face, French entry cachet and Cadiz receiver on reverse '10 Ap' . A lovely cover from Ireland to Spain.