A favourite tidbit from that time: Icelandic post released stamps of that eruption and it was used for European postage (mail to Europe). https://findyourstamp

A favourite tidbit from that time: Icelandic post released stamps of that eruption and it was used for European postage (mail to Europe). https://findyourstampsvalue.com/news/stamps-created-from-eyjafjallajokull-volcano-ash-released-by-iceland-post-extraordinary-philatelic-items-to-collectors-attention https://findyourstampsvalue.com/news/stamps-created-from-eyj... (Stamp is marked "Bref til Evropu" - European postage)