1929: Registered printed cover (opened 3 sides) from Banca Commerciale Italiana e Greca in Athens franked vertical pair of 4dr Navarino issue (Hellas #486), both stamps showing B.C.I. perfin to Frankfurt 30.8.29. with beautiful bank's paper seal at the back. Interestingly the stamps were not cancelled in Athens!
Scarce and very fine, fresh condition, see scans.
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