Issued Envelopes
cover Formula type, 1880 MCCorquodale & Co. issue, size F unused, size G used from Port of Spain to London bearing twelve ½d. adhesives, and size K front used from Port of Spain to Glasgow bearing fourteen "1d" in manuscript on 6d.; all with faults though a rare group

细节
cover Formula type, 1880 MCCorquodale & Co. issue, size F unused, size G used from Port of Spain to London bearing twelve ½d. adhesives, and size K front used from Port of Spain to Glasgow bearing fourteen "1d" in manuscript on 6d.; all with faults though a rare group