Arctic Council 25 years. First day cancellation block of four upper marginal 4 x 1 value. On 19th September 2021, the Arctic Council will be 25 years old. The Arctic Council is becoming increasingly important for Greenland. We mark the event by issuing a commemorative stamp. Lisbeth Karline has created the beautiful design. The stamp is printed in offset. Face value / post office price: 100 DKK. Date of issue: 17th September 2021