Coin Terminology and Glossary

The Coin Collecting Dictionary includes 546 titles used widely in the coin collectors community, and has received over 858752 search inquires.

Selected title: Steel

Explanation: An alloy of iron with other metals and carbon, having a range of properties, and usually very durable. During the last century, steel coins were often introduced as emergency economy measures, but are increasingly being used for low value coins, often copper plated

Most popular coin titles

Definition	Searches	Percentage
Specimen Proof (SP-70 or PF-70)	52680	14.54%
Silver Clad	30167	8.33%
Coin Silver	22175	6.12%
Slabbed Coins	21043	5.81%
BN	20407	5.63%
Encapsulated Coin	19899	5.49%
RB	18826	5.20%
Deep Cameo (DC or DCAM)	16201	4.47%
PF (PF60, PF70)	15699	4.33%
Reeded Edge	14973	4.13%
Ultra Cameo (UCAM)	14919	4.12%
PQ	13744	3.79%
MS (MS60-MS70)	13611	3.76%
PR (PR60, PR70)	13574	3.75%
Rarity	13210	3.65%
Incuse	12617	3.48%
High Relief	12503	3.45%
Coin drop	12335	3.41%
Reverse Cameo	11860	3.27%
Obverse or Face side	11759	3.25%