Fresh out of an acid bath, this nice blue narrow groove HGCO is crisp and clean, ready for display. Chock full of small seed bubbles,3 large bubbles and small floatie bits give this insulator nice character when underlit or backlit. Insulator condition is VVNM, it has a little very light nibbling and flaking around the WG edge and one pin prick. Seen in picture on left. Displays very close to perfect.EID [140].Book for blue is $75-$100. My price...$40 delivered.