The following table consists of dates proposed by Steve Geppi, president of Gemstone Publishing, Inc., and publisher of The Overstreet Comic Book Price Guide.
| TIME PERIOD | COMICS AGE |
| 1828-82 | Victorian Age |
| 1883-38 | Platinum Age |
| 1938-45 | Golden Age |
| 1946-56 | Atomic Age |
| 1956-71 | Silver Age |
| 1971-85 | Bronze Age |
| 1986-92 | Copper Age |
| 1992-2000 | Chrome Age |
| 2000-present | Modern Age |
^Rhoades, Shirrel. A Complete History of American Comics. New York: Peter Lang, 2008.
