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Collecting & the comic ages

What is a pedigree comic collection?

Published Sep 14, 2026 · Updated Sep 14, 2026 · 1 min read

Short answerA pedigree is an original-owner collection of comics that is large, exceptionally well preserved and recognised by name — the Mile High (Edgar Church) collection, the Pacific Coast collection and the Gaines File copies among them. CGC and CBCS print the pedigree name on the label, and pedigree copies sell for a premium over ordinary copies in the same grade because of their provenance and, usually, their page quality.

How a collection becomes a pedigree

A pedigree is not a legal status; it is a designation the grading companies grant to a collection that meets their criteria: a single original owner, a large run of consecutive issues, exceptional condition, and a documented history from the owner to the market. Once recognised, every book from the collection is labelled with the name, and dealers track them individually.

The famous ones

  • Mile High (Edgar Church) — discovered in Denver in 1977 and sold by Chuck Rozanski of Mile High Comics; thousands of Golden Age books in astonishing condition with white pages, the benchmark against which all other pedigrees are measured.
  • Gaines File copies — EC Comics publisher William Gaines kept multiple file copies of every EC issue; they came to market in the 1980s and are the finest known copies of most EC titles.
  • Pacific Coast — a Silver and Bronze Age collection prized for high grades and white pages.
  • Northland, Twin Cities, Winnipeg, Rockford, Savannah, Boston, Massachusetts — other recognised Silver and Bronze Age pedigrees, each with its own reputation for grade and paper.

Why they cost more

  1. Provenance. The chain of ownership is known.
  2. Paper. Many pedigrees come from cool, dry climates; white pages are the norm.
  3. Scarcity. There is exactly one Mile High copy of any issue.
  4. Eye appeal. Pedigree books often look better than their grade because they were never read.

The premium varies with the pedigree and the book; on a Golden Age key it can be very large, on a common Bronze Age issue modest.

What to check

The pedigree name is printed on the label. Verify the certification number on the grader's website; a pedigree claim in a listing without a label to back it up is just a claim. Our listings quote the pedigree from the label and nowhere else.

Written by the Rare Comics Collectors grading team. Spotted an error or have a question this guide does not answer? Tell us.

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