Korea Preserve the Polar Regions 2011

Another "Preserve the Polar Regions and Glaciers" issue, this time from South Korea. These stamps were issued on 3 June 2011 as a setenant pair in sheets of 20..

French Andorra Europa 2011

This is a self adhesive stamp made with a paper that has a simulated wood grain. At least I think it is simulated. Could it be real wood? It's very thick yet flexible and the ink applied to it is also thick and shinny. It would have been interesting if the stamp was actually made from a wood veener.