Lot 80073 – One of Only Two Double Rate Sherwin Frankings 1

One of Only Two Double Rate Sherwin Frankings 1859 Sherwin 2d deep blue, a vertical pair (positions 3+6) tied by barred oval grids to folded letter Port Louis to Paris, GPO MAURITIUS despatch of NO 10 1859 on flap, stamps of fine deep colour and with large margins except at top right (where barely touched), a very rare franking with only one other cover bearing a pair for double rate recorded Provenance: Stevens 1964 (illustrated on front cover) Expertise: Cert. BPA (1973)