Stamps Year 1973

Oceanographic exploration ship
Pedro Gruenholz
luxury yacht
Pedro Gruenholz
3 chimney liner
Pedro Gruenholz
Transantlantic with 3 chimneys
Pedro Gruenholz
Merchant ship with 4 chimneys
Pedro Gruenholz
4 chimenwas steamship
Pedro Gruenholz
Brig
Pedro Gruenholz
Rattle
Pedro Gruenholz
Nao
Pedro Gruenholz
Galleon
Pedro Gruenholz