Community Forum
Discuss coin errors, share your finds, and connect with fellow collectors.
Series Discussions
22 threadsDiscuss specific coin series, varieties, and attribution details.
Half Cents
Half cent coinage from 1793-1857, including Liberty Cap, Draped Bust, Classic Head, and Braided Hair types.
Large Cents
Large cent coinage from 1793-1857, including Flowing Hair, Liberty Cap, Draped Bust, Classic Head, and Braided Hair types.
Small Cents
Flying Eagle, Indian Head, Lincoln, and other small cents.
Two & Three Cent Pieces
Two cent pieces (1864-1873) and three cent pieces including silver trimes (1851-1873) and nickel three cent pieces (1865-1889).
Half Dimes
Half dime coinage from 1792-1873, including Flowing Hair, Draped Bust, Capped Bust, and Seated Liberty types.
Nickels
Shield, Liberty, Buffalo, Jefferson, and other five-cent pieces.
Dimes
Draped Bust through Roosevelt dimes.
Quarters
Draped Bust through American Women quarters, including State and ATB programs. Also covers Twenty Cent pieces (1875-1878).
Half Dollars
Flowing Hair through Kennedy half dollars.
Dollars
Flowing Hair through American Innovation dollars, including Morgan, Peace, and Eisenhower.
Gold Coins
Gold dollars, quarter eagles, half eagles, eagles, and double eagles.
Commemoratives
Classic and modern commemorative coins.
Bullion
American Eagle, American Buffalo, and other bullion programs.
Colonials
Colonial and early American coinage, including state coppers, Continental currency, and pre-federal issues.
Patterns
Judd-numbered pattern coins, experimental pieces, and trial strikes from the U.S. Mint.
Territorial
Territorial gold, Hawaiian, and California fractional gold.
Medals & Tokens
Exonumia including medals, tokens, Civil War tokens, and store cards.
Modern & Miscellaneous
Modern issues, Philippine coins, and other miscellaneous series.
Listing Discussion
General discussion about specific coin listings that does not fit neatly into a series or error category. Use this when your topic spans multiple series or you are unsure which category to post in.
Error Discussions
17 threadsDiscuss coin errors, varieties, and die characteristics.
Error Identification Help
Need help identifying an error or variety? Post photos and get expert community feedback.
Doubled Dies
Covers: Doubled Die Obverse (DDO), Doubled Die Reverse (DDR), Doubled Working Hub Obverse (WHO), Doubled Working Hub Reverse (WHR), Master Die Doubling Obverse (MDO), Master Die Doubling Reverse (MDR).
Die Damage & Breaks
Covers: BIE Die Break Cent (BIE), Bisecting Rim to Rim Die Crack (RDC), Cud (CUD), Die Abrasion (DAB), Die Break (DBK), Die Chip (DIC), Die Crack (DCK), Die Gouge (DGO), Die Polishing (DPL), Interior Die Break (IDB), Pre-Cud (PCD), Retained Cud (RCD), Retained Interior Die Break (RDB), Shattered Die (SHD), Spiked Head (SKH), Split Die (SPD), Unusual Die Crack (UDC).
Die Clashes
Covers: Atypical Die Clash (ADC), Die Clash (DCL), Floating Die Clash (FDC), Mule Die Clash (MDC), Radical MAD Die Clash (RMC), Type I Counter Clash (CC1), Type II Counter Clash (CC2), Typical Die Clash (TYC).
Hub & Punch Errors
Covers: Dual Mint Mark (DMM), Inverted Mint Mark (IMM), Misplaced Date (MPD), Misplaced Mint Mark (MPM), Over Mint Mark (OMM), Overdate (OVD), Repunched Date (RPD), Repunched Lettering (RPL), Repunched Mint Mark (RPM).
Planchet Errors
Covers: Clipped Planchet (CLP), Improper Alloy Mix (IAM), Improper Annealing (IAN), Lamination (LAM), Missing Cladding (MCL), Wrong Planchet (WPL).
Strike Errors
Covers: Broadstrike (BRD), Capped Die (CPD), Indent (IND), Misaligned Dies (MAD), Multi-Strike (MST), Off-Center Strike (OFC), Rotated Die (RTD), Strike Through (STT), Tilted Collar (TCL).
Collar Errors
Covers: Collar Break (CBK), Collar Clash (CCL).
Trail Dies
Covers: Trail Die Obverse (TDO) and Trail Die Reverse (TDR).
Transitional Errors
Coins struck with dies or planchets from a different year or design.
UFO Errors
Unidentified Fascinating Oddities — die varieties that defy standard classification.
VAM Varieties
Van Allen-Mallis varieties for Morgan and Peace dollars.
Counterfeits
Discussion of counterfeit detection, authentication, and known fakes.
General Numismatic Discussions
19 threadsWelcome, general collecting discussion, educational content, showcases, and trading talk.
Welcome & Community
Introductions, platform announcements, and community discussion. New here? Start with the pinned welcome post.
General Numismatics
General coin collecting discussion — grading, storage, market trends, and collecting strategies.
Educational Content & News
Educational articles, guides, and numismatic news. Learn about error identification, grading, coin history, and more.
Showcase & Finds
Show off your latest finds, collection highlights, and coin roll hunting discoveries.
Buying, Selling & Trading
Discuss buying strategies, selling tips, and trading opportunities. No direct transactions — use established platforms.
Specialist Corner
Expert-level discussions on die varieties, attribution methodology, and advanced numismatic research.
Bugs & Feature Discussions
5 threadsReport bugs and suggest new features for NumisDex.
