Los 496
1877, 10c. brick-red as block of eight plus single, paying internal rate for 9 Uruguayan weights of 7,5 gr., tied by barred "A" to reverse of enevelope endorsed "Pr. Str. Nord America" addressed to Genoa, upon arrival charged for five Italian weights of 15gr. and postage due 5l. applied and tied by cds. "GENOVA 3 1 78" with two-line handstamp "Da Montevideo coi Postali Italiani" alongside, some folds away from adhesives and openend out for display, this is already a very rare single franking, beyond that the only known letter from South America with a single 5l. postage due stamp, signed E. Diena with certificate (1987)
