Mexico, 1892, 5p carmine, block of 4, neat Mexico town cancels, natural s.e. at left, F.-V.F., the only known multiple of the 1892 5p carmine high value. Scott Nos. 228  $3,600 for singles. $0 (Image)

Mexico, 1892, 5p carmine, without watermark, blue oval cancel, couple small thins, otherwise F.-V.F., an extremely rare variety which is believed to be unique, Scott cat $900 for normal watermark variety; with 1981 MEPSI certificate. Scott Nos. 228 var.  Estimate $300 - 400. $0 (Image)