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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.
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:
295090
Obverse Designer:
Charles Pillet
Obverse Lettering:
ESTADOS UNIDOS MEXICANOS
Reverse Lettering:
LIBERTAD
M
UN PESO
1919
Fineness:
0.8
Weight (gr):
18.125 gr
Weight (oz):
0.5827 oz
Coin Rulers Name:
United Mexican States/Mexican Republic
Strike Type:
Business
Diameter:
34
Coin Shape:
Round
Edge:
Lettered
Variety:
Type 2, 80% Silver
Variety 2:
KM-454
Coin Date:
1918-Mo
Denomination:
S1P
Designation:
MS
Mint Location:
Mexico City
Mint Mark:
Mo
Mintage:
3,050,000
Coinage Type:
Estados Unidos Mexicanos
Coinage Years:
1918-1919
Composition:
Silver
PCGS #:
525791
Krause #:
KM-454
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To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for 1918-Mo S1P Type 2, 80% Silver, KM-454 MS (KM-454)
Body: Referring page: https://www2.greysheet.com/prices/item/1918-mo-1-peso-type-2-800-km-454-mexico-world-coins/gsid/295090 GSID: 295090 Title: 1918-Mo S1P Type 2, 80% Silver, KM-454 MS (KM-454)
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Coin Value History
1918-Mo S1P Type 2, 80% Silver, KM-454 MS (KM-454)
Value By Grade
1918-Mo S1P Type 2, 80% Silver, KM-454 MS (KM-454)
CPG (retail) values
Currency
Grade Range
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Pricing
Values
Greysheet & CPG® Values
| Grade | CPG Value (Retail) | Greysheet Price (Wholesale) |
|---|---|---|
| MS65 | $2,250 | $1,234 |
| MS64 | $1,550 | $1,234 |
| MS63 | $1,234 | $1,234 |
| MS62 | $1,234 | $1,234 |
| MS60 | $1,234 | $1,234 |
| AU58 | $1,234 | $1,234 |
| AU50 | $1,234 | $1,234 |
| XF40 | $1,234 | $1,234 |
| VF20 | $1,234 | $1,234 |
1910 S1P Type 1, Caballito, KM-453 MS
Worth: $75 – $4,200
1911 S1P Type 1, Caballito, Short Ray, KM-453 MS
Worth: $150 – $14,000
1911 S1P Type 2, Caballito, Long Ray, KM-453 MS
Worth: $90 – $10,000
1912 S1P Type 2, Caballito, KM-453 MS
Worth: $100 – $4,500
1913/2 S1P Type 2, Caballito, KM-453 MS
Worth: $95 – $5,000
1913 S1P Type 2, Caballito, KM-453 MS
Worth: $50 – $7,500
1914 S1P Type 2, Caballito, KM-453 MS
Worth: $900 – $16,000
1918/7-Mo S1P Type 2, 80% Silver, KM-454 MS
Worth: $150 – $1,500
1919-Mo S1P Type 2, 80% Silver, KM-454 MS
Worth: $95 – $750
1920-Mo S1P Type 3, 72% Silver, KM-455 MS
Worth: $50 – $600
1920/10-Mo S1P Type 3, 72% Silver, KM-455 MS
Worth: $80 – $375
1921-Mo S1P Type 3, 72% Silver, KM-455 MS
Worth: $30 – $450
1921-Mo S1P Type 3, 9 Over Inv. 9, 72% Silver, KM-455 MS
Worth: $50 – $300
1922-Mo S1P Type 3, 72% Silver, KM-455 MS
Worth: $22 – $160
1923-Mo S1P Type 3, 72% Silver, KM-455 MS
Worth: $22 – $120
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Location: Heritage Auctions
Tuesday, June 2, 2026
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Tuesday, June 2, 2026
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Wednesday, June 3, 2026