None are mint. As found CD 152 diamond has a small inner skirt flake/chip, pin prick or more, depends how good your eyesight is. CD 145 NN Canadian has a small base chip, hardly noticeable.nice swirling lines in the glass, pin prick or three in the dome. Porcelain unmarked CP U-2701 has a 1/4 inch flake inside base rim. Attached is a brass hot clamp 'perch', Installed in a horizontal position often from a crossarm used by lineman when replacing say, a transformer, to clamp/secure a live line. $50 for the lot plus shipping from Canada.