Congo
Country: Congo
Year: 1993
Face value: 200f
Date of Issue: 20. maj. 1993
Description: Robot
Country: Congo
Year: 1993
Face value: 250f
Date of Issue: 20. maj. 1993
Description: Alvin
Country: Congo
Year: 1993
Face value: 95f
Date of Issue: 20. maj. 1993
Description: J. Sea Link I
Country: Congo
Year: 1993
Face value: 120f
Date of Issue: 20. maj. 1993
Description: Nemo
Country: Congo
Year: 1993
Face value: 75f
Date of Issue: 20. maj. 1993
Description: Transport PC – 1202
Country: Congo
Year: 1993
Face value: 400 F
Date of Issue: 20. maj. 1993
Description: Vehicules sub-aquatiques Star III, Deep sea submersibles
Cuba
Year: 1990
Face value: 10
Date of Issue: 30. jun. 1990
Description: Spear fishing, turismo deportivo
Country: Cuba
Year: 1990
Face value: 50
Date of Issue: 18. jun. 1990
Description: Oceanography Institute, 25th Anniv
Country: Cuba
Year: 1994
Face value: 35
Date of Issue: 10. maj. 1994
Description: Hippospongia lachne, Acuicultura