British West Indies. (Nevis). 1876. Long blue envelope addressed to 'James Sanderson, Barbados' bearing 'Nissen & Parker, The Medicinal Spring Types' SG 12, 4d deep orange (vertical pair) tied by 'A09' obliterator with Nevis date stamp adjacent 'Sep 6 76' and Barbados double arc arrival on face dated 'Sept 9 1876', showing large '2' rating in blue crayon for local charges and figure "8" in red crayon all on face.
Only 5 double letter rated 8d "Nissen 7 Parker" covers are known, this being one of two addressed to Barbados.
From the same Sanderson correspondence addressed to Barbados two quadruple covers are also known.