{| class="wikitable" style="text-align: left"
|-
|A8 = Austria-Hungary||EI = Ireland||IT = Italy||MX = Mexico
|-
|AM = Armenia||ET = Ethiopia||N3 = Naples
|CU = Cuba||H6 = Holy Roman Empire||S3 = Scotland||rowspan=2|UK = United Kingdom<br> (see also E6, G7, IM, S3, W3)
|-
|DE = Germany||HU = Hungary||IT = Italy||SA = Saudi Arabia
|-
|DK = Denmark||IL = Israel||JM = Jamaica||SY = Syria||rowspan=2|US = United States<br> (see also State codes)