1896. French Colonies Navigation & Commerce Issues
Genuine vs. Forgeries
Hirschburger forged all stamps in the series from all French Colonies, including all the overprints/surcharges.
They are often mistakenly attributed to Fournier. Later they were sold by Panelli
They number approximately 1400 different stamps.
Fournier Forged Postmark
Thanks to Antonius-Ra for image of genuine Navigation & Commerce 05 on 4c