A postcard on the Blue Mosque or officially known as Sultan Ahmet Mosque (Sultan Ahmet Camii). Located in the Archaeological Park of the UNESCO World Heritage Site of "Historic Areas of Istanbul." Another card sent during a visit to this city.
A 2,50 Turkish Lira EUROPA stamp on musical instrument was used. It was sent from Unkapanı, Istanbul on 5.6.2014.Interesting to note that this cancellation with date in reverse order.