Whitman Expo
Following a thrilling multi-day showcase, Stack's Bowers and Ponterio is pleased to report the spectacular results of their October 2026 Hong Kong (SAR) Showcase Auction, which concluded on October 26, 2026.
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Obverse Description
The national coat of arms with the eagle facing forward, head to the right, above a spray of oak and laurel; above, the legend ESTADOS UNIDOS MEXICANOS. Near the top, divided by the eagle’s head, 0.7 / 20 (“0.720,” denoting the reduced fineness).
Reverse Description
At the top, above an open wreath of oak and laurel, a small radiant liberty cap. Below the rays, UN PESO, with mintmark M above and the date below.
Catalog Information
GSID:
295095
Obverse Lettering:
ESTADOS UNIDOS MEXICANOS, 0.7 20
Reverse Lettering:
LIBERTAD
M
UN PESO
1944
Fineness:
0.72
Weight (gr):
16.66 gr
Weight (oz):
0.5356 oz
Coin Rulers Name:
United Mexican States/Mexican Republic
Strike Type:
Business
Diameter:
34
Coin Shape:
Round
Edge:
Lettered
Coin Date:
1922-Mo
Denomination:
Peso
Designation:
MS
Mint Location:
Mexico City
Mint Mark:
Mo
Mintage:
33,620,000
Coinage Type:
Mexican Coinage
Coinage Years:
1920-1945
Composition:
Silver
PCGS #:
525804
Krause #:
KM-455
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for 1922-Mo Peso MS (KM-455)
Body: Referring page: http://www.greysheet.com/prices/item/1922-mo-1-peso-type-3-720-km-455-mexico-world-coins/gsid/295095 GSID: 295095 Title: 1922-Mo Peso MS (KM-455)
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Coin Value History
1922-Mo Peso MS (KM-455)
Value By Grade
1922-Mo Peso MS (KM-455)
CPG (retail) values
Currency
Grade Range
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Pricing
Values
Greysheet & CPG® Values
1910 Peso Caballito MS
Worth: $75 – $4,200
1911 Peso Caballito, Short Ray MS
Worth: $150 – $14,000
1911 Peso Caballito, Long Ray MS
Worth: $90 – $10,000
1912 Peso Caballito MS
Worth: $100 – $4,500
1913/2 Peso Caballito MS
Worth: $95 – $5,000
1913 Peso Caballito MS
Worth: $50 – $7,500
1914 Peso Caballito MS
Worth: $900 – $16,000
1918-Mo Peso MS
Worth: $100 – $1,800
1918/7-Mo Peso MS
Worth: $150 – $1,500
1919-Mo Peso MS
Worth: $95 – $750
1920-Mo Peso MS
Worth: $50 – $600
1920/10-Mo Peso MS
Worth: $80 – $375
1921-Mo Peso MS
Worth: $30 – $450
1923-Mo Peso MS
Worth: $19 – $120
1924-Mo Peso MS
Worth: $19 – $120
Greysheet News
Stack's Bowers and Ponterio's October 2026 Hong Kong (SAR) Auction Realizes Nearly $32 Million, Highlighted by a $4.75 Million Kwan Ping Trade Coinage Pattern
11/3/2026
Weekly World Mint Coinage: October 29, 2026
New coins from Australia, China, and the Netherlands.
10/29/2026
Weekly World Mint Coinage: October 22, 2026
New coins from the Falkland Islands, Gibraltar, and Malta.
10/22/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026