OMAN 1984 160b SG293 used NG National Day Map telecommunications symbols #C03
NG – N oG um. SG – S tanleyG ibbons Catalogue number. MNH – M intN everH inged. FG – F ullG um. CV – C atalogueV alue. CTO – C ancelled-T o-O rder. Full transparency – if you are not sure about anything.