HOLLANDE/ POSTES Foises and PORT PAYÉ (both in red) on letter from Lahaye 14 8bre 1807 to a madame in the house of the prince S.E. Troubetzkoi à la Patrouca à Moscou, sent via Hambourg (fr Hambg) and Paris (red P.P.P.P.), prepaid postage 9+1, 10 déc., on front in red 2. Very rare destination in this period, cert. Roumet: Extraordinaire combination. TB, very fine