This Humppilan Lasi  Tauno Wirkkala Revontulet 'Northern Lights' Ice pattern Bowl is 11-1/2" across at it's widest. The ighest peak is 6".  The base is 5-1/2" across.  Made in Finland in the 1960's.  In excellent condition with no chips, cracks, scratches or repairs.  There is one manufacturing defect on the inside of the bowl where a white artifact on the surface of the glass formed slight bump as can be seen magnified in photographs 10 and 11.

Please reference photographs for a detailed condition description.