C61 used SAN JUAN, Porto Rico postal history 1872 entire to Lanman & Kemp, New York with GB QV 4d vermilion Plate 12 pmk'd "C61" with red PORTO-RICO PAID C/DE 13 72 and black N.Y. STEAMSHIP/10 dated DEC 20 cds, the adhesive lightly crossed by filing fold. £250