Flavius' Treasure.

NPC Location: Northern Dolphin.
Level: Intermediate.
Quest Points: 100.
Items Required: Magnifying Glass.
Reward: $3000, Pearl Necklace.
Notes: Talk to him. Take the plate back to Sandra. To find his glasses use magnifying glass shown in the picture below. Then take $500 to the general store owner. Go back to Flavius.