Philippines
USA Administration Seven-piece Proof Set 1906, KM-PS4 comprised of KM162-168, Proof. Mintage: 500. A rare proof-only date set with the Peso remaining mostly brilliant and the other silver denomination displaying various forms of tone. Most examples are moderately hairlined and would likely grade between PR58-PR63. Housed in a custom plastic holder. From The Collection of Dr. Roger R. McFadden
Estimate: 2000-2500 USD