The 2023 Summer Auction - Sale 340 Day 4

1917 (Jul 13) Shanghai French PO registered cover to Army Post Office in G.B., then redirected to B.E.F. in France,f.w. French PO in China 2c on 5c x 10, tied by Shanghai French PO cds., on reverse showing several Field PO and Army PO transit cds. Interesting. VF-F.