5 Centavos Head of General Morazan
In Ultramarine, With Black "PROVISIONAL" Overprint
Type I: Deep Curved Flap

Pink on the Inside
Size: 143 mm x 80 mm
Type III: Rounded End Flap

Deep Lilac on the Inside
Size: 143 mm x 80 mm

1888 AUGUST 17: LA LIBERTAD to SAN  SALVADOR
White on the inside with Type I flap. Size: 143 mm x 80 mm

1889: STA ANA to GUATEMALA
Blue on the inside with Type I flap. Size: 143 mm x 80 mm
Type II: Curved Flap

1888 DECEMBER 13:  LA LIBERTAD to SAN SALVADOR
On yellow laid paper, local rate envelope.
Size: 138 mm x 80 mm

YELLOW COLOR NOT LISTED
Variety: Pointed End Flap

1888 OCTOBER 29: SAN SALVADOR to PARIS
On white laid paper, white inside, uprated  to 11c single outbound rate.
Size: 147 mm x 86 mm