'Costly' in the Bible

Now while Jesus was in Bethany at the house of Simon the leper, reclining at the table, a woman came with an alabaster jar of costly aromatic oil from pure nard. After breaking open the jar, she poured it on his head.

cinnamon, spice, incense, perfumed ointment, frankincense, wine, olive oil and costly flour, wheat, cattle and sheep, horses and four-wheeled carriages, slaves and human lives.