Lot 40033 – 1866, 20r brown lilac, in mixed franking with 1876

1866, 20r brown lilac, in mixed franking with 1876 roulette 50r blue, 100r green and 200r black, on 19.3.1877 envelope from Rio de Janeiro to Ballymoe (Ireland), carried at single rate as per 1875 Brazil-G.B. Convention, each stamp cancelled by cork type of large bars, with dispatch cds in centre and arrival on reverse, part of the upper back flap missing and some soiling, but an extremely rare mixed franking and remarkable four-colour franking.