Netherlands stamps 1928 NVPH R51a MLH VF / CAT VALUE $480+ / Syncopated

  

Netherlands 1928 NVPH R51 Varity vertical perforation fault MLH VF. Dutch dealers catalogue: Netherlands and colonies. Stanly Gibbons: Great-Brittan and colonies. Michel: Germany - former Eastern-Europe - Asia - Europe. Yvert & Tellier: France and colonies - Worldwide.