Stamps of Guatemala, International Book Year issue
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postage
1973, Aug 2 International Book Year issue unwmk (no perf info)
| - | 0.02q | blk & grn | (1975) | |||
| - | 0.03q | sep & org | (1975) | |||
| - | 0.03q | blk & yel | (1978) | |||
| - | 0.06q | Francisco Ximenez | .20 |
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