JO2018-BF 2017 South Korea 2 sheetlets "Winter Olympics PyeongChang 2018 & Soohorang"

JO2018-BF : SOUTH KOREA 2017, 2 sheetlets of 10 stamps 330 KRW
“PyeongChang 2018 Olympic Winter Games / Olympic disciplines with the white tiger 'Soohorang', Olympic mascot"
Hockey, sledge, Nordic combined, short track speed skating, skeleton, ski jumping, snowboarding, speed skating, alpine skiing, biathlon, bobsleigh, cross-country skiing, curling, figure skating, freestyle skiing
 
in new (size 18 x 14 cm) 
Limited edition 70.000 exemplaries
Very rare because exhausted a few days after going on sale