your pieces sound wonderful. If i was in your area Jean, I would call or visit Ben Bridge Jeweler and ask if they would be interested in appraising your jewelry.
On their website they say:
"People are looking for someone they can trust,” he said. “We are in business to do business the honest way.” ...
"Rather than cutting prices or announcing some extravagant sale, the Ben Bridge organization decided to offer more value to its customers."