59 60 61
62 63
The postmarks used on the expedition were Fig. 62 for the
base office, and Fig. 63 for the advanced base, similar marks inscribed at top "FIELD P.O. No. ..." or "F.P.O. No. ..." or single line circular marks inscribed F.P.O. (Figs. 64, 65). There are also a single-line circular date mark of the base office, and registered marks (Fig. 66).
64 65 66
67