Belgium. 1871 (Jan 17). Entire from Antwerp to Buenos Aires, with two 1865-67 40c tied by crisp „12“ dotted lozenges and dispatch cds adjacent, paying the single rate by Belgian direct route with very desirable „CONFon. ARG / PAQ. BELGE“ 18th January cds on reverse, put onboard John Ryde line SS „Lacydon“ to Buenos Aires, charge on arrival „2/4“ for domestic postage, very fine and rare usage of the Belgian maritime postmark.