B02 Robin's Egg Blue ロビンズエッグ・ブルー A light blue-green derived from the egg of robin. Sketch ¥380 (Tax not included)・・・・・・Shop Ciao ¥250 (Tax not included)・・・・・・・Shop Classic ¥380 (Tax not included)・・・・・Shop Refill ink ¥380 (Tax not included)・・・Shop