Znaczek pocztowy UPU

UPU GWATEMALA MI.979-984a**

UPU GWATEMALA MI.979-984b**

UPU GWATEMALA MI.BL.16a**

UPU GWATEMALA MI.BL.16b**

UPU GWINEA -BISSAU MI.374-379aA**

UPU GWINEA -BISSAU MI.374-379aB**

UPU GWINEA -BISSAU MI.374-379bA**

UPU GWINEA -BISSAU MI.374-379bB**

UPU GWINEA -BISSAU MI.BL.11aA**

UPU GWINEA -BISSAU MI.BL.11aB**

UPU GWINEA -BISSAU MI.BL.11bA**

UPU GWINEA -BISSAU MI.BL.11bB**