The Marble Grading Company

The Marble Grading Company We grade and encase marbles! You Keep’em or Crack’em! Organize your collection digitally and access them any time!

Here you’ll find hand-picked and graded marbles!

Marble King Caramel, Aka, Bear Claw. Likely intended as a gameball, imo. Believed to be pre-1990. Also, likely closely r...
02/02/2026

Marble King Caramel, Aka, Bear Claw. Likely intended as a gameball, imo. Believed to be pre-1990. Also, likely closely related to the Poorman’s Watermelon, generally of the same size. Not to be confused with the larger, newer run of Caramels. All I’ve ever found were dug. 99% of them hover around 9/16”.

01/04/2026

Marble King, Fruit Fly. 35/64”. Believed to have been produced around 2010.

01/03/2026

Tri-lite

01/03/2026

Superman! Patch

01/03/2026

Bullseye!

11/30/2025
Examples dug from the Davis Marble Works site, Pennsboro, WV. This company was in operation for only a short period. 194...
11/18/2025

Examples dug from the Davis Marble Works site, Pennsboro, WV. This company was in operation for only a short period. 1947-1948.

Mid Atlantic of WV. “9/11” red, white and blue swirls. Often times mistaken for Ravenswood, Champion, etc. Several examp...
11/08/2025

Mid Atlantic of WV. “9/11” red, white and blue swirls. Often times mistaken for Ravenswood, Champion, etc. Several examples shown. Notice the varying color mixes that can take place, all within the same run, or string of runs.

Cairo Novelty, “Ivory” marble. 5/8”.
09/15/2025

Cairo Novelty, “Ivory” marble. 5/8”.

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Cambridge, OH

Telephone

+18432544909

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