1960 HK-584 Colorado So-Called Dollar ~ Mumey Dollar ~ Pony Express Centennial NGC MS64

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SO-CALLED DOLLAR BACKGROUND:
"Designed and issued by Dr. Nolie Mumey, Denver as his ‘contribution to the Centenary of the Pony Express’; issue limited to 500 sterling Silver pieces, sold for $7.50 to $10. In November 1960, issuer advised that all medals had been sold and no more would be struck."

RARITY: 500 (Total Struck)
(NGC Pop = 17; 13 Finer - NGC Total Pop = 42): [02/2024]
Rarity Level 5 = ~76-200 Known - Designated “Very Scarce” to “Rare”

SO-CALLED DOLLAR DESCRIPTION:
(Dr. Nolie Mumey of Denver, CO, .925 Antiqued Sterling Silver, 39mm, Round, Plain Edge)
OBVERSE: Pony Express Rider galloping r.--in inner circle; outside, above around Centenary of the Pony Express; below, around * 1860--1960 *
REVERSE: In oval Denver / Apr. 3 / 1960; outside, at lower edge, small Sterling