The Philatelic Bureau of Sri Lanka issued six new postage stamps in the denominations of Rs. 5.00, Rs 15.00, Rs. 30.00, Rs. 40.00 and Rs. 50.00 depicting six selected animals living in the Yala National Park to coincide with the completion of seventy five years of the network of Wild Life Reserves in Sri Lanka, as the fourth issue in the series of stamps on Sri Lanka’s National Parks.
The cancellation of the first stamps took place at Yala National Park on 28th July, 2013, under the auspices of Hon. Jeevan Kumarathunga, Minister of Postal Service of Sri Lanka and Hon. Gamini Wijith Wijayamuni Zoysa, Minister of Wildlife resources conservation of the country.
As for the objectives of the Wild Life Reserves Network of Sri Lanka which has evolved for a period of seventy five years now since February, 1938, in addition to the long term protection of Wild Life resources, it contributes to a large extent to the national economy of the country as well.