Whitman Expo
New coins from Australia, Canada, and Spain.
Image Coming Soon
We're working on adding images for this item.
Thank you to our sponsors!
Go check them out!
Obverse Description
The Mexican coat of arms with its legend at the centre, surrounded by all the previous Mexico's coat of arms; from the native one at centre top and then in chronological order clockwise
Reverse Description
Winged victory on a crowned pedestal, with the mountains and Mexico City in the background, with the weight at the top-left, metal at top-centre, date, mint, and fineness at top-right.
Catalog Information
GSID:
393826
Obverse Lettering:
ESTADOS UNIDOS MEXICANOS
Reverse Lettering:
1 ONZA PLATA PURA LEY .999, Mo
Fineness:
0.999
Weight (gr):
31.104 gr
Weight (oz):
1 oz
Precious Metal Weight:
0.999 oz
Coin Rulers Name:
United Mexican States/Mexican Republic
Strike Type:
Proof
Diameter:
36
Coin Shape:
Round
Edge:
Reeded
Variety:
Silver, Reverse Proof
Variety 2:
31.1g
Coin Date:
Libertad
Denomination:
1 Onza
Designation:
PR
Mint Location:
La Casa de Moneda
Mint Mark:
Mo
Coinage Type:
Mexico Silver Libertad
Coinage Years:
2015-
Composition:
Silver
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Libertad 1 Onza Silver, Reverse Proof, 31.1g PR [Type]
Body: Referring page: https://www2.greysheet.com/prices/item/libertad-type-coin-one-onza-mexico-reverse-proof-strike/gsid/393826 GSID: 393826 Title: Libertad 1 Onza Silver, Reverse Proof, 31.1g PR [Type]
Subscribe to View
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Coin Value History
Libertad 1 Onza Silver, Reverse Proof, 31.1g PR [Type]
Value By Grade
Libertad 1 Onza Silver, Reverse Proof, 31.1g PR [Type]
CPG (retail) values
Currency
Grade Range
Sort by
Pricing
Values
Greysheet & CPG® Values
Libertad 1 Onza Silver, 31.1g PR DCAM [Type]
Worth: $85 – $155
1983-Mo 1 Onza Libertad, Silver, No Dot in Fineness PR DCAM
Worth: $1,250 – $7,500
1984-Mo 1 Onza Libertad, Silver PR DCAM
1985-Mo 1 Onza Libertad, Silver PR DCAM
1986-Mo 1 Onza Libertad, Silver PR DCAM
Worth: $105 – $370
1987-Mo 1 Onza Libertad, Silver PR
Worth: $105 – $370
1987-Mo 1 Onza Libertad, Silver PR DCAM
Worth: $130 – $455
1988-Mo 1 Onza Libertad, Silver PR DCAM
Worth: $375 – $875
1988-Mo 1 Onza Libertad, Silver, Cuauhtemoc PR DCAM
Worth: $1,500 – $2,000
1989-Mo 1 Onza Libertad, Silver, No Dot in Fineness PR DCAM
Worth: $250 – $700
1989-Mo 1 Onza Libertad, Silver, With Dot in Fineness PR DCAM
Worth: $1,000 – $1,400
1990-Mo 1 Onza Libertad, Silver PR
Worth: $120 – $150
1990-Mo 1 Onza Libertad, Silver PR DCAM
Worth: $125 – $255
1991-Mo 1 Onza Libertad, Silver PR DCAM
Worth: $150 – $230
1992-Mo 1 Onza Libertad, Silver PR DCAM
Worth: $90 – $500
Greysheet News
Weekly World Mint Coinage: August 13, 2026
8/13/2026
Atocha Silver Ingot Leads Heritage's Shipwreck & Treasures World Coins Auction to $459,498
Atocha, 1715 Fleet and Whydah treasures among top highlights in Aug. 9 event.
8/12/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, June 3, 2026