Auction 309-320 - Great Britain 1840–1841 Europe & Overseas - Day 5

1914 (12. Oct): 1/2d. on 3Pf. brown and 1d on 5 Pf. green, horizontal pair, tied to letter by POPO DAHOMEY DEPENDANCE with blue ANECHO (12. Oct.) beside, to PORTO NOVO. A transit GRAND-POPO from the same day as is a receiving canceller the following day. Uncommon usage of British stamps in the French sector.