SOUTH AFRICA
Officials
OFFICIALS
|
 |
| SA4058 |
| 1955 5th May, printed bilingual O.H.M.S. envelope bearing 2d single, ½d pair plus 6d strip of four 'OFFICIAL / OFFISIEEL' overprints (SG O31, O45, O46a, correct foreign airmail rate), sent airmail to the USA. 'HERMANUS MAGNETIC OBSERVATORY' violet cachet on reverse and large violet oval on front. Most attractive. |
| £45 |
|