Need to ask about a lot?

NIGER COAST PROTECTORATE - 1892-1898 FINE MINT COLLECTION on leaves including 1892-94 Oil Rivers overprint set, 1894 Niger Coast 1st issue 2d, 2½d & 5d, 1894 2nd issue 1d, 2d, 5d and 1s, 1897-98 set to 1s with perf and shade varieties, plus 6d yellow-brown 'SPECIMEN' overprint. A few heavily mounted items but generally fine and fresh (23 stamps).