Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 2

British Commonwealth - Sierra Leone

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Start price: $350

Buyer's premium:

1933, Abolition of Slavery and Centenary of the Death of William Wilberforce, ½p-£1, complete set of 13, nicely centered full OG, LH or hinged, VF, C.v. $1,209, SG #168/80, £1,100, Est. $600-$700 , Sc. #153-65