The "petit bleu" and other postcards used in the "Tubes Pneumatiques" in Paris
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The "petit bleu" and other postcards used in the "Tubes Pneumatiques" in Paris.
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Pneumatic Tube, Rohrpost, Buizenpost
The "petit bleu" and other postcards used in the "Tubes Pneumatiques" in Paris
Published: 16-03-2013
Last updated: 22-08-2018
