![SALVADOR - 1919 - TRIAL: 6c on 25c brown 'Provisional' SURCHARGE issue with TRIAL OVERPRINT IN RED (the issued stamp has the overprint in blue). Fine unused without. (As SG 715) (SAL/38371)](http://latinamericanphilatelics.com/cdn/shop/products/SAL38371_ecf619ac-86f1-4897-b5ea-710340a63f92_{width}x.jpg?v=1650747063)
6c on 25c brown 'Provisional' SURCHARGE issue with TRIAL OVERPRINT IN RED (the issued stamp has the overprint in blue). Fine unused without gum. (As SG 715)
6c on 25c brown 'Provisional' SURCHARGE issue with TRIAL OVERPRINT IN RED (the issued stamp has the overprint in blue). Fine unused without gum. (As SG 715)