Pro-Rata
Pro-Rata (Marvel) appears in 5 issues in grailworth's catalog, and was first published in 1976. First appearance: Howard the Duck #1 (1976), cover dated 1976.
First appearance
Every appearance we value
Howard the Duck (1976) 3 issues
Howard the Duck (1979) 1 issue
Marvel Treasury Edition (1974) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.