"1896" Year on Stamp Imprint and Different Design for Each Value Printed on White Wove Paper

1c Olive Local Circular Rate "SPECIMEN" Envelope Size: 153 mm x 90 mm

JUNE 2: SAN SALVADOR CIRCULATING Improper use of 1c circular rate envelope as it is sealed. a

AUGUST 7: SANTA ANA to HANNOVER 1c Circular rate envelope uprated with 15c stamp for single foreign rate, overpaid by 1c.

1897 JANUARY 21: LA LIBERTAD to SAN SALVADOR 1c Demonitized envelope with 9c total adhesives, shortpaid by 1c the double interior rate, endorsed "CONOCIMIENTOS" or dispatched notes.

JULY 15: STA ANA to GERMANY 2c Red interior circular rate envelope uprated to 15c single outbound rate. Size: 160 mm x 90 mm

MARCH 6: SAN VICENTE to SWITZERLAND 2c Red envelope with corner card uprated to 3c outbound circular rate. Size: 160 mm x 90 mm