This cover feature two stamps namely Jastarnia Lighthouse (left) and Swinoujscie Lighthouse (Right). Both stamps were issued on 19th June 2015 along with four other stamps as part of Polish Lighthouses Series of 2015.
The special cancel you see on the cover is to commemorate the International Lighthouses Day established in 2003. It Is usually celebrated on the third Sunday of August every year. This year it was celebrated on 20th August.
Many thanks to Roman Sudzik from the London Cover Circuit for sending me this beautiful cover.
