1881/88, "HABILITADO PA.U POSTAL 8 CMOS" on 2 centavos lilac rose, study of 39 stamps, mostly unused and in multiples, including blocks of four with handstamp inverted resp. double, block of nine with central row handstamps inverted, pairs with and without handstamp, etc. 4 certificates (Scott 95). Also 3 other stamps.
