TWENTY CENTAVOS
Only one printing. In violet on thick paper.
Produced by repeating five times one engraved strip to complete the pane of 25 Stamps.

PRINTING CHARACTERISTICS

Type 1: Narrow space between "N" - "P" of "UNION" and "POSTAL".
Type 2: Narrow space between "R" - "U" of "REPUBLICA UNION"  and "A" - "D" of "REPUBLICA DEL".
Type 3: Open curls without ornament balls. Large letter "C". The curl touches the frame bottom.
Type 4: Raised "V" in "SALVADOR"
Type 5: Closed curl without ornament balls.

ONLY RECORDED PANE KNOWN TO EXIST

1886 STA TECLA to PARIS, FRANCE*
20c (Type 30 with "SNS" monogram on "SERVICE DE POSTES" cover.
Postmarked October 19.  Via New York. Received Paris, November 25.

20c Franking for 10c single outbound rate and 10c registration fee.
Official mail exempted from paying the 5c advisory receipt fee.

1882 LA LIBERTAD to PARIS, FRANCE
20c Bisect tied to cover upon arrival with red crayon manuscripts to denote invalid
for postage. Subjected to 50c Postage Dues.

THE FIRST OF ONLY TWO KNOWN AND RECORDED 20c BISECT ON COVER

1888 LA LIBERTAD to LONDON, ENGLAND
20c Pair (Type 4) with 2c issue uprating a 11c postal envelope tied with purple
star cancels and oval date stamp on the side. Via Panama and New York
with added registry label.

48c Postage for 33c triple "45 gramos" outbound rate via Panama,
10c registration fee and 5c advisory receipt fee (5c over paid).

* Certified by organizations recognized by the FIP.