CEYLON: Dominion, 1948-1972, 4-coin proof set, 1957, KM-PS3, Double Proof Set for 2500 years of Buddhism, containing two examples of the rupee (KM-125) and two examples of the AR 5 rupees (KM-126), in old coin envelopes of Bebee's, "Omaha 11, Nebraska".
Estimate: 400-500 USD