On 23 July 2021 Åland Post issued postal material commemorating the 2021 Tall Ship Races. There is a single stamp which appears to show Sälskär Lighthouse at the right center between the spars of the sailing ship. There is also a postal card which depicts Marhällan Lighthouse.
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Thanks to Michael in Scotland for alerting us to this issue.
See more stamps from Åland here
