Coleman Lantern 220F 1971 and Newer lantern late model vent.
Vent holes were either rectangle or half-moon for the 220 series vents. 
Rectangle vent holes were primarily used up to 1971. They then changed to a "half-moon" vent hole. These were used on late model 220F and the 220H 220J and 220K lines. Older vents don't "seat" well on the newer lanterns.
This is the Half-Moon newer style vent for late 220F and 220 H J & K lanterns.

If you have any questions please just ask.

Has NO chips or damage! Small edge wear at nut hole as seen in pictures.  Please see pictures for overall condition.

Shipping is USPS with tracking.
We have other lantern parts listed and do combine shipping.

Thank you for looking.