RHODESIA & NYASALAND FEDERATION
CAA Express Letter Service / Airmails
CENTRAL AFRICAN AIRWAYS EXPRESS LETTER SERVICE
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| F77 |
| 1955 long envelope bearing pair QEII 3d definitives, endorsed 'PER CAA LETTER' reverse applied with pair 6d perforated 6d CAA Airways Letter Service labels, indistinctly cancelled with special CAA boxed cachets, Lusaka ? to Salisbury. |
| £35 |
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