rare, (see introduction for note on general condition of this consignment) (4) (lot) " /> Argentine Confederation, 10-Pesos, 185_, Bull in field facing left at upper center, (4, all P.S.163), two 2-subject sheets, rubber-stamped "SPECIMEN" on signature area <I>rare, (see introduction for note on general condition of this consignment)</I> (4) (lot) | Christie's