This is Kahelelani two strand poepoe style shell pendant/necklace. This item made pink flower ‘ākala pua and green ‘ōma‘oma‘o Kahelelani shells.
Origin of shells: Niihau
Shells section measures: 2 1/2 inches (measures from end to end)
Over all necklace measures: 17 3/4 inches (Measures from end to end)
Pearl size: 8.6 mm
Findings: 14K Gold filled