Still bugged after 5.5 patch
"A Pirate's Legacy" Treasure Hunting mission returns the wrong grade of materials, companion gifts, and Treasure Lockbox(es).
Mission Discovery: Treaasure Hunting (220), "A Pirate's Legacy" Wealthy Yield Grade 3
Returns grade 2 materials (Chrysopaz & Marilite), companion gifts, and Treasure Hunting Lockbox(es).
"A Pirate's Legacy" Treasure Hunting mission should return Grade 3 materials (Krayt Dragon Pearls & Tatooine Flamegems), companion gifts, and Treasure Hunting Lockbox(es).