Large cents and half cents: copper money before the small cent
Why early U.S. cents were huge, how half cents fit small change, and what worn copper is usually worth today.
Read →Articles
The public coin and money library, plus dealer guides — what people bring to a shop, how money works, and how shops run.
Start in the library · Coin history · Visitors · SpotPro for dealers
Mercury dimes and Walking Liberty halves: silver workhorses of the 20th century
Why these designs dominate junk silver jars and collector type sets — and how to avoid cleaning disasters.
Read →
Eisenhower, Susan B. Anthony, Sacagawea, and presidential dollars: modern dollar coins
Why modern dollar coins never fully replaced the paper dollar, what the major types are, and how shops treat common…
Read →
1933 and the end of circulating U.S. gold coin ownership (public rules)
How Depression-era gold policy changed what ordinary Americans could hold, how it differed from later 1971 international convertibility, and what…
Read →
How to read a U.S. note: seals, series, signatures, and star notes
A field guide to the tiny words on U.S. currency that collectors and estate sorters actually use.
Read →
What “fiat money” means without the internet shouting
A calm definition of fiat currency, how it differs from commodity money and representative paper, and what that means for…
Read →
Bimetallism in plain English: why gold and silver ratios drove U.S. mint policy
How defining both gold and silver as money forced the Mint and Congress into ratio politics — and why some…
Read →Staff PINs, permissions, and not sharing one login at the register
Why every cashier needs their own PIN in SpotPro — accountability, voids, and basic loss control.
Read →
Company Profile, NAP consistency, and why Merchant Center cares
Why the name, address, and phone in SpotPro must match Google Business Profile and domain verification — and how that…
Read →