1933 Sierra Leone Wilbeforce 3v. MNH SG n. 178/80

1933 Sierra Leone, Colonie inglesi, regno di Giorgio V, francobollo di posta ordinaria della serie dedicata al centenario dell’abolizione della schiavitù e della morte di William Wilbeforce, 5s. black and purple, 10s. black and sage-green e £1 violet and orange. 3 valori, nuovi perfetti senza linguella. Catalogo Stanley Gibbons n. 178/80, £ 1100,00.

1933 Sierra Leone, British Colonies, Kingdom of George V, ordinary mail stamps from the series dedicated to the centenary of the abolition of slavery and the death of William Wilbeforce, 5s. black and purple, 10s. black and sage-green e £1 violet and orange. 3 values, perfect mint never hinged. Stanley Gibbons catalog no. 178/80, £1100.00.