Great Britain. (Netherlands). 1857. Registered envelope addressed to North Holland bearing SG 43, 1d pale rose, SG 66, 4d carmine and SG 72, 1s green tied by Montrose/ 251 duplex with 'Registered/ G.P.O.' in red, dated 'No 4 57' with circular 'PD' and Rurmerend arrival on re verse. Beautiful three colour franking to the Netherlands.