| Business | Phone |
| Ancient Coin 2152 Dupont Dr, Irvine 92612 | (714) 420-5057 |
| Spectrum Numismatics 18022 Cowan # 105, Irvine 92614 | (949) 955-1250 |
| Teletrade 18022 Cowan # 107, Irvine 92614 | (949) 250-4490 |
| P & M Rare Coins Po Box 51990, Irvine 92619 | (949) 559-5797 |