For sale is a Pyrex553, CD 328.2 in a straw color with much of the barn find dirt still on the insulator. The dome, umbrella and 99% of the skirt is in mint condition. There is a small ping on the skirt and there is a chip/flake on the inner skirt. Otherwise the insulator displays great and is not that common. These were used as the center insulator, above the top of the pole on a line here in Pennsylvania. Price is $250 plus shipping, Please ask any questions and I can email the photos of the damage. Thanks and please look at my other auctions.