Spaanse ongenummerde serie van 28. Normaal Formaat (NF). Serie IVa. Uitgegeven in 1979.
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Spanish unnumbered series of 28. Normal Format (NF). Series IVa. Issued in 1979. More
Spanish unnumbered series of 28. Normal Format (NF). Series IVa. Issued in 1979.
Spaanse ongenummerde serie van 28. Normaal Formaat (NF). Serie IVa. Uitgegeven in 1979.