1949: N. D. Hrvatska
75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)75th Anniversary of Universal Postal Union (UPU)