@Zeppelin wrote:"...wollte ...neue Themen zu den Fehlern in den Zeppelinpostkatalogen starten?????..."
I'd like to write about a Sieger's picture error Nr.#147 on p.151(and about a Michel's picture error Nr.#238. D) on p.128 too). Surprisingly, but it has not previously indicated... Apparently it's few interesting for collectors
It a special 2.SAF flight cachet of Chilean Mail with date April 5th, 1932.
I don't know why in both catalogues is this picture: