- US Mint - Only modern US coins and proofs and such. But absolutely trustworthy.
- VCoins - meta seller. Lots of old coins, lots of price ranges.
- ma-shops - auction site, but "certified sellers"
- NumisBids - coin auction site. Lots of variety. Hard do search. Good for filling in a hole in a set (you can set an alert).
- Ken Dorney - Uses Vcoins and Biddr
- Harlan Berk - private seller in Chicago, high-end
- Shanna Schmidt - private seller (Harlan's daughter), high-end
- CNG Coins