CD 116 PATENT - DEC. 19, 1871 (F-Crown) PATENT / DEC. 19. 1871 ( F-Skirt) PATENT / MAY 2 1893 (R-Skirt) (JULY 1st. 1882 / PAT APPLIED FOR one sharp drip missing and one is chipped to the inside that is all that prevents this insulator from grading MINT. Wide Squared Wire Ridges. Note the deeper, more prominent wire groove lips. Only $140.00 plus actual postage (Insurance is optional/extra). Buy with confidence! We do not sell altered insulators. Don't wait for a sale it's not going to happen. Pay-Pal is always welcome as well as money orders and Personal checks.