Luang Pu Up Khemàjaro
This lead piece made only about 100pcs. Powder made only about 30pcs.
Bonus, Yant by Luang Pu Himself, a very rare view these days.
Luang Pu had mastered the way to consecrate Lead material.
Lead being soft like gold is believe and told by old Gejis that it is easier to consecrate (Pruk Sek) than any other metallic alloys and also lock the consecration in for good.