Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

1857 (June 21): Cover to Amsterdam franked with 1852 1 baj. black on grey green and 7 baj. black on blue vertical strip of three, with ample margins all around, the 1 b. cut into frameline at foot, cancelled with diamond obliterator, the 1 b. tied by Senigallia cds (21 Jun), "E PONT / PONT DE-B" French entry cds, reverse with Amsterdam receiver (28 Jun), tear and piece cut from back to open letter, a fine and scarce franking. Signed Alberto Diena and Vaccari, with their respective certificates.