Coin 3D-Printed at NC State Successfully Launched Aboard Orion Spacecraft

By Hubert Walker for CoinWeek ....   Coins have flown in space before. Twelve 22-karat gold Sacagawea dollar coins travelled on the Space Shuttle Columbia in...
Masonic coins and tokens with the EAC, CoinWeek video

Masonic Coin and Token Collecting with the EAC

Ray Rouse, Exhibit Chairman, Early American Coppers Society (EAC) on collecting Masonic coins and tokens. Interviewer: David Lisot, CoinWeek.com. The Masonic large cent coins engraved...

NGC Certifies Seated Liberty Half Dollar Error Struck on Quarter Planchet

Numismatic Guaranty Corporation® (NGC®) has certified an incredible error coin: a Seated Liberty half dollar struck on a quarter planchet. This stunning error is...

Unique 1800 S-209 Obverse Brockage Cent Featured in Stack’s Bowers Baltimore Auction

By James McCartney – Senior Numismatist, Stack’s Bowers ......   We are thrilled to present a rare mint error large cent among the many early American...

CoinWeek IQ: How to Grade and Authenticate the Chinese Kweichow Auto Dollar – 4K...

Chinese coin expert Jessie Zhang sits down with CoinWeek at the Florida United Numismatists (FUN) Convention in Tampa, Florida to share the fascinating story of...
Stack's Bowers Offers Bill Fivaz’s World’s Worst Type Coin Set

Stack’s Bowers Offers Bill Fivaz’s World’s Worst Type Coin Set

In an endeavor that spanned more than 25 years, noted numismatist and researcher Bill Fivaz put considerable efforts into obtaining and downgrading coins for...
Eroticism on Ancient Coins

Eroticism on Ancient Coins (Adults Only)

CoinWeek Ancient Coin Series by Mike Markowitz .....   THROUGH A LONG chain of pious frauds and medieval myth-making, the February 14 feast day of St....

New Edition of Unusual World Coins Available

IOLA, Wis. (Sept. 26, 2011) -- The sixth edition of Unusual World Coins is now available from Krause Publications. Edited by George Cuhaj and Tom...

Odyssey Marine Exploration Begins 2013 Gairsoppa Operations

TAMPA, Fla., (GLOBE NEWSWIRE) -- Odyssey Marine Exploration, Inc. (Nasdaq:OMEX), a pioneer in the field of deep-ocean shipwreck and offshore mineral exploration, has begun...

Bank of Montreal Half Penny Highlight of Toronto Coin Expo Auction

By Geoffrey Bell Auctions and Toronto Coin Expo....   Rare Canadian Banking Tokens, spanning 175+ years, anchors Toronto coin auction by Geoffrey Bell Auctions at the...

Heritage Auctions – Seldom Seen Selections: 1922 High Relief Peace Dollar with Unique Antique...

Judd-2018 is a recently discovered trial striking of the 1922 High Relief Peace dollar, struck in business-strike format and first reported by David W....

Coin Profiles: Unique Proof 1823 O-111 Bust Half Dollar

In the 2011 April Rosemont CSNS Platinum Night US Coin Auction, Heritage Auctions offer several very rare proof bust halves. One of these is...

Perth Mint’s Unique $2.8 Million Trilogy Sold

The Perth Mint’s one and only $1.8 million Australian Trilogy coin collection has now been sold. The pinnacle of The Perth Mint’s long term association...

Mike Byers Mint Error News – New Martha Washington Die Design Quarter Test Strike

New Martha Washington Die Design (2011-2013) U.S. Quarter Test Strike Judd #2225 - Mint Cancelled NGC Brilliant Uncirculated Unique in Private Hands   By Mike Byers for Mint Error...

Heritage Auctions – Seldom Seen Selections: A Remarkable Walker Error

One of the featured lots in our July 7-10 Long Beach Signature auction is a double-struck Walking Liberty half dollar graded MS64 by NGC....

Coin Profile – Austria 2004 Vienna Philharmonic 100,000 Euro Gold Coin

Description: In 2004, the Austrian Mint celebrated the 15th year of its successful Vienna Philharmonic gold bullion coin program by producing 15 1,000-ounce versions of...

Mike Byers Mint Error News – Unique 1824 Great Britain Half Sovereign Gold Die...

By Mike Byers for Mint Error News ......   This is the only known obverse die cap struck in gold from any country. It was certified...

Nixon Presentation Ike Dollar Discovered

Exclusive News: By Charles Morgan and Hubert Walker for CoinWeek ………. DISCOVERY PIECE After going unnoticed for more than forty years, a rare early Eisenhower dollar...

Coin Collecting and Coins for Alcoholics Anonymous. VIDEO: 4:52.

Richard Thomas Interviewer David Lisot Alcoholics Anonymous is a group that helps people recovering from drinking problems. As part of their program of sobriety a coin or...

Stack’s Bowers: 1982-83 Bronze Lincoln Cent Errors Featured in August 2017 ANA Auction

By James McCartney, Numismatist & Cataloger - Stack's Bowers ......   The Denver Mint struck over 12 billion Lincoln cents in 1982 and 1983 combined, ensuring...

NGC Certifies Unique Stella $4 Gold Variety

Numismatic Guaranty Corporation (NGC) has authenticated and graded the single known example of a distinctive Stella variety as PF- 60, J-1636a. The Stella, or four-dollar...

Money & Politics: Four Million 5 Rappen Coins Purchased for Exhibition about Money

by Charles Morgan for CoinWeek... Money & Politics In what could best be described as a costly political stunt, activists from Generation Basic Income, a group...

Mike Byers Mint Error News – Unique Proof 1776-1976 S Bicentennial Quarter Overstruck on...

Double Denomination & Dual Date   By Mike Byers for Mint Error News ......   This is the only known Proof Bicentennial quarter struck over a Roosevelt dime....

Three Unique Die Trials included in Heritage US Coin Auction at FUN

The following three die trials are all believed to be UNIQUE and will be part of the Heritage Signature Sale to be held in...

Charli XCX Sings about ‘Gold Coins’ – Numismatic Pop?

Pop music doesn’t often fall within the purview of a numismatic publication like CoinWeek.com, however British pop singer Charli XCX has released a hard...

Watson Nobel Prize Medal Sets Record at Christie’s Auction

By Charles Morgan and Hubert Walker for CoinWeek....   On Thursday, Christie’s of New York auctioned a unique Nobel Prize medal belonging to Dr. James D....

Nate D. Sanders to Auction 1982 Nobel Prize in Physics

Nobel was Awarded to Theoretical Physicist Dr. Kenneth Wilson By Nate D. Sanders Auctions .....   The 1982 Nobel Prize in Physics awarded to Dr. Kenneth Wilson...

100 Troy Ounce Gold Nugget from California’s Mother Lode on Showcase!!

The LARGEST CALIFORNIA GOLD RUSH NUGGET left in existence, the 100 troy ounce gold nugget discovered last year in Nevada County, California,...

Results Analysis of the Donald G. Partrick Collection of Connecticut Copper Coins

By Ron Guth .....   On November 1, 2020, Heritage Auctions sold the Connecticut Copper collection assembled by Donald G. Partrick. This was a highly anticipated...

Mike Byers Mint Error News – NGC Certifies Unique Great Britain Lead Die Trial

By Mike Byers for Mint Error News ......   This is the only known 1911 Great Britain 5 Pound Die Trial. It was struck on March...