14K Conoco 20 yrs service award diamond pin
Updated August 7, 2026
| Lot number | 322 |
| Category | Jewelry & Watches |
| Auction | 8/10 Atkinson-Stride-Brown- Kelly-Pfeifer Office Enid OK |
| Date | August 10, 2026 at 6:00 PM CDT |
| Auction house | Lippard Auctioneers, Inc. |
| Location | Enid, Oklahoma |
marked 14k, diamonds tested with diamond selector II
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