Lot
2806 o
Mexico, 1866, Eagle (5th Period), ½r gray, Guadalajara, without district overprint, cons 20-1866, sub 7, block of 4, central oval Cocula cancel (Schatzkes 370), large margins, Very Fine and choice, only 300 sent, used blocks of this stamp are very rare; with 1983 Jaretzky certificate. Scott No. 20d var. Estimate $600 - 800.