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The United States Mint marked the nation's Semiquincentennial on July 4 with a special striking.
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To commemorate the centennial of America’s involvement in World War I and honor the over 4 million men and women from the United States who served. This set includes a proof silver dollar and a proof silver Coast Guard Medal.
Obverse Description
The obverse design depicts a lifeboat from the Coast Guard Cutter Seneca heading out in heavy seas toward the torpedoed steamship Wellington.
Reverse Description
The reverse designs depicts the World War I-era Coast Guard emblem. Inscriptions include “CENTENNIAL OF WORLD WAR I,” “2018,” and “OVER THERE!.”
Source: US Mint
Catalog Information
GSID:
375985
Fineness:
0.9
Weight (gr):
31.1 gr
Weight (oz):
1 oz
Precious Metal Weight:
26.73 oz
Strike Type:
Proof
Diameter:
38.1
Coin Shape:
Round
Edge:
Plain
Variety:
1oz Silver
Variety 2:
World War I Centennial, Coast Guard
Coin Date:
2018-P
Denomination:
Medal
Designation:
PR
Mint Location:
Philadelphia
Mint Mark:
P
Coinage Type:
Medal
Coinage Years:
2018
Composition:
Silver
PCGS #:
659624
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Coin Value History
2018-P Medal 1oz Silver, World War I Centennial, Coast Guard PR DCAM
Value By Grade
2018-P Medal 1oz Silver, World War I Centennial, Coast Guard PR DCAM
CPG (retail) values
Currency
Grade Range
Sort by
Pricing
2018-P Medal 1oz Silver, World War I Centennial, Navy PR DCAM
Worth: $71 – $91
2018-D Medal 1oz Silver, World War I Centennial, Air Service PR DCAM
Worth: $71 – $91
2018-S Medal 1oz Silver, World War I Centennial, Marines PR DCAM
Worth: $71 – $91
2018-W Medal 1oz Silver, World War I Centennial, Army PR DCAM
Worth: $71 – $91
(2020) Medal 1oz Silver, 75th Anniversary World War II PR DCAM
Worth: $76 – $96
2020 Medal 1oz Silver, 400th Anniversary Mayflower Voyage PR DCAM
Worth: $131 – $157
2020 Medal 1oz Silver, 400th Anniversary Mayflower Voyage, Reverse Proof PR
Worth: $86 – $111
(2022) Medal Bronze, U.S. Air Force MS RD
Worth: $18 – $28
(2022) Medal 1oz Silver, U.S. Air Force, Matte Finish MS
Worth: $91 – $116
(2022) Medal 2.5oz Silver, U.S. Air Force, Matte Finish MS
Worth: $200 – $300
(2023) Medal Bronze, U.S. Coast Guard MS RD
Worth: $18 – $28
(2023) Medal 1oz Silver, U.S. Coast Guard, Matte Finish MS
Worth: $18 – $28
(2023) Medal 2.5oz Silver, U.S. Coast Guard, Matte Finish MS
Worth: $200 – $300
(2023) Medal Bronze, U.S. Marine Corps MS RD
Worth: $18 – $28
(2023) Medal 1oz Silver, U.S. Marine Corps, Matte Finish MS
Worth: $91 – $111
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Events
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, July 1, 2026
Heritage Auctions: World & Ancient Coins Wednesday & Thursday Select Auction
Location: Heritage Auctions
Thursday, July 2, 2026
