Stamps of Vatican City, UNESCO Campaign for the Rescue of the Nubian Monuments issue
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postage
1964, Mar 10 UNESCO Campaign for the Rescue of the Nubian Monuments issue wmk. crossed keys (no perf info)
| - | 10l | bl & ltbrn | .20 | |||
| - | 20l | .20 | ||||
| - | 70l | ol & ltbrn | .20 | |||
| - | 200l | .20 |
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