![SALVADOR - 1919 - TRIAL: 26c on 29c black 'Provisional' SURCHARGE issue with TRIAL OVERPRINT DOUBLE IN GREEN & YELLOW, the issued stamp was overprinted in blue. Fine mint. (As SG 717) (SAL/38370)](http://latinamericanphilatelics.com/cdn/shop/products/SAL38370_36179f70-0a9e-4574-a1ae-e08172f16b77_{width}x.jpg?v=1650747062)
26c on 29c black 'Provisional' SURCHARGE issue with TRIAL OVERPRINT DOUBLE IN GREEN & YELLOW, the issued stamp was overprinted in blue. Fine mint. (As SG 717)
26c on 29c black 'Provisional' SURCHARGE issue with TRIAL OVERPRINT DOUBLE IN GREEN & YELLOW, the issued stamp was overprinted in blue. Fine mint. (As SG 717)