Stamps, vioblk&red color
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Madagascar
postage1972, Apr 8 Laying of a Coaxial Cable Between Antananarivo and Tamatave issue unwmk (no perf info)
| - | 45fr | vioblk & red | Cable-laying Railroad Car |
Nicaragua
airmail1969, May 30 HEMISFAIR 1968 issue p. 13.5
| - | 35c | vioblk & red |
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