Stunning Nelson McCoy oil jar. 12 inches tall. Cobalt blue, micro crystalline glaze. A very difficult color to find. No chips or crazing. There is however a short, very tight hairline as shown. The line is just barley visible on the outside. The camera and bright lights and magnification make it much easier to see in the photo of the inside than it truly is. It was not possible to photograpgh it on the outside. There are a few light scratches as shown, but again, much easier to see in the photo than real life. Marked with conjoined NM, just visible. About 1930.