Lot
2717 
Mexico, Observatorio Meteorológico Central. Official seals on two different observation form cards, purple Mexico seal handstamp on 1900 card to Buenos Aires, Argentina, franked with 1910 3c orange brown, Official tied by "Corresp., Oficial, 11 Ene, 00" cds, N.Y. Foreign Transit cds, 1901 form card with printed blue official seal and Tolcua origin, card heading in French, to Lisboa, Portugal, franked with 1899 1c green, pair & single tied by indistinct Toluca, Mex. cds's, F.-V.F., a rare pair of cards. Estimate $300 - 400.
Realized: $180