Offering this rare first ever seen corrugated funnel. It measures 5" and opening is about 3.75 and 4" W (out of round) The tip where the pourer is has a corrugated form, original with the making. Has some minor imperfections as seen but nothing loose or major damage. Expect some wear, patina, abrasions, and a great overall piece for your collection or decor of unique and uncommon. Please message me for more questions or pictures you would like. Check my other listings for more early, antiques, primitives and more. Shipped first class. Thanks for looking.