Sold Out Shell 20-50 One Gallon Can – Now Sold! Shell four seasons 20 / 50 multigrade one gallon oil can, in excellent condition. These later 70s/80s tins were very thinly made and printed and thus often rusty and rarely found in good condition. Category: Sold Items Related products Redline 2 Gallon Can Read more Selection of 1 Gallon Cans Read more Lodge Spark Plug Bookmark Read more Wellsaline Motor Oil Can Read more