, fresh lightly mounted mint; diagonal crease at upper right corner, otherwise fine and an attractive example of this rare stamp. Brandon Certificate (1987). S.G. 52ab, £900. Photo" /> unused Variety overprint double, one reading<I> "Protectorate Bechuanaland"</I>, fresh lightly mounted mint; diagonal crease at upper right corner, otherwise fine and an attractive example of this rare stamp. Brandon Certificate (1987). S.G. 52ab, £900. Photo | Christie's