| Business | Phone |
| Howard Markham Pro Numismatist 5225 Canyon Crest Dr # 254, Riverside 92507 | (951) 686-2122 |
| Jurupa Coin Laundry 5105 Jurupa Ave, Riverside 92504 | (951) 778-9485 |
| Riverside Stamp & Coin 6740 Magnolia Ave, Riverside 92506 | (951) 684-9930 |
| Van Buren Coins & Treasures 8937 Limonite Ave, Riverside 92509 | (951) 685-0380 |