Wild Flowers of Bhutan – Primula Sikkimensis -2014.
Bhutan Post issued a stamp on Primula Sikkimensis Flower also called Himalayan Cowslip or Sikkim Cowslip in series Wild Flowers of Bhutan. It was 10 Nu Denomination stamp issued on 15 Jun 2014.A sheet containing 10 stamps is listed.
Stamp Digest 