These two insulators have the chairleg scuff on the top. Whether or not they were used that way I do not know. Both were taken out of service from pole lines by me, so I do know they served time on the wire. [id=235092763] to see a picture of them standing on their heads, showing the angle at which they were ground. These can be yours for shipping cost. The 21 has some chips and dings, plus a few missing drips. The 40 is in good shape.