Here is an antique picture plug spark plug porcelain from 1920's. It is marked MULTIPLE POINT "775" OIL PROOF. The porcelain has a small chip on the tail and hairline in the glaze. The print is good.This would be a nice replacement in a plug, make a plug or to add in a collection as is. Please check my other auctions for other spark plug porcelains. I WILL SHIP INTERNATIONAL. Shipping rate will vary on location. I can give a quote. SELLING WITH NO RESERVE!