Registered cover franked with 3 x 1927 1p 50c lilac overprinted with large 'C' for use by Rural post offices (SG 334) tied by two strikes of SAN IGNACIO DE LAS MISIONES dated 19 MAY 1930 with plain printed black on white registration label with manuscript 'San Ignacio' added alongside. Addressed to UK with ASUNCION transit cds on reverse.