Pictures of the eight sheet folded letters included in this set
CORREO MARITIMO No. 1
Habana, Oct. 31, 1842 dateline to Barcelona

CORREO MARITIMO No. 2
Habana, Ago. 31, 1847 dateline to Barcelona

CORREO MARITIMO No. 3
Habana, Jul. 31, 1847 dateline to Barcelona

CORREO MARITIMO No. 4
Habana, May. 31, 1847 dateline to Barcelona

CORREO MARITIMO No. 5
No contents, to Bilbao

CORREO MARITIMO No. 6
Habana, Mar. 27, 1850 dateline to Barcelona

CORREO MARITIMO No. 7
Habana, Jan. 24, 1850 dateline to Barcelona

CORREO MARITIMO No. 8
Habana, Oct. 9, 1850 dateline to Madrid

Only the Correo Maritimo No. 5 and the Correo Maritimo No. 6 SFLs have any backstampings
Correo Maritimo No. 5

Correo Maritimo No. 6
