Bidspirit auction | Angola 1951 Birds Series. Last

Angola 1951 Birds Series. Last 4 closing stamps of this series Mf#346-349, on porcelain paper with silk threads, perforation 12. Mf#346 and 349 are new with non-original gum without hinge, Mf#347 is with gum and hinge and Mf#348 is without gum, all with good color. Catalogue value €300+.