1880 (18 Aug) unpaid cover from Guayaquil to Paris, with departure and red London Sep 13 transit pmks on back, "Panama Transit 23 Aug 1880" datestamp, black "T" and red French entry pmk, charged "6" (decimes) on arrival, fine (Image)

Est.US$150

1880 (3 Feb) unpaid cover from Guayaquil, with small departure pmk on back, addressed to Paris, with "Panama Transit" datestamp, also corresponding round pmk, "NY T" and "Mar 80" alongside, marked "25" in blue crayon and red due marking, minor cover toning and corner mended at lower left (Image)

Est.US$200