1854, 5 c. yellow green, nice vivid colour and good to large margins including sheet margin at bottom, tied by clear central "TORINO 5 MAG. 55" to small entire letter to Castelnuovo Scrivia. Light file folds not effecting the stamp; very fine and fresh. A scarce single franking. Certificates Enzo Diena (1992) and Bolaffi (1993)