Stamps of Costa Rica, 1.20col denom
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1975, Oct 24 30th Anniversary of United Nations issue unwmk p. 12.25
| - | 1.20col | multi |
1976, Dec 1 30th Anniversary of LACSA issue p. 10.75
| - | 1.20col | multi |
1978, Nov 13 1978 surcharges issue ovpted (no wmk info) (no perf info)
| - | 1.20col | on 2.15col-Warcewiczella discolor (3), Warcewiczella discolor |
1978, Nov 20 500th Anniversary of Gonzalo Fernandez de Oviedo issue unwmk p. 11
| - | 1.20col |
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