1956   international exhibition, kabul   409 50 brown exhibition building ** °   410 50 blue ** ° 1958   international exhibition, kabul   430 35 green exhibition building ** °   431 140 red ** ° 1964   new york world's fair   518 6 black, red, green unishere and flags ** ° 1967   development of electricity for agriculture   597 1 lilac, green, hydro- electric power station ** °   598 6 turquoise, brown, dam ** °   599 8 blue, purple, resevoir ** °

afghanistan

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