Types of Bullion
The Different Forms of Gold, Silver, Platinum, and Palladium Bullion (2026 Guide)
Bullion comes in several forms, each with its own advantages, premiums, and ideal use cases. Whether you’re buying gold, silver, platinum, or palladium, understanding the different types of bullion helps you choose the right products for your goals.
This guide explains the main types of bullion, how they differ, and when each one makes sense for investors.
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1. Bullion Coins
Bullion coins are minted by sovereign governments and carry a legal tender face value. Their value is based on metal content, not collectibility.
Popular Bullion Coins
- American Eagle (gold, silver, platinum, palladium)
- Canadian Maple Leaf
- South African Krugerrand
- Austrian Philharmonic
- British Britannia
Advantages
- high liquidity
- globally recognized
- strong security features
- IRA‑eligible (most products)
Disadvantages
- higher premiums than bars and rounds
- limited size options
2. Bullion Bars
Bullion bars are rectangular pieces of precious metal produced by private or government mints. They offer the lowest premiums per ounce and are ideal for larger purchases.
Common Bar Sizes
- 1 gram
- 5 grams
- 10 grams
- 1 oz
- 10 oz
- 100 oz (silver)
- 1 kg
Advantages
- lowest premiums
- efficient for stacking and storage
- wide range of sizes
Disadvantages
- less recognized than sovereign coins
- may require assay when selling
3. Bullion Rounds
Rounds are privately minted, coin‑shaped pieces of bullion. They are not legal tender but offer a low‑premium alternative to coins.
Advantages
- lower premiums than coins
- wide variety of designs
- ideal for bulk accumulation
Disadvantages
- not legal tender
- less recognized than sovereign coins
4. Junk Silver (90% Silver)
Junk silver refers to pre‑1965 U.S. dimes, quarters, and half dollars containing 90% silver. They are valued for metal content, not collectibility.
Advantages
- high liquidity
- small denominations
- historical value
Disadvantages
- not pure silver
- premiums vary based on market demand
5. IRA‑Eligible Bullion
Some bullion products meet IRS purity requirements for self‑directed IRAs.
Common IRA‑Eligible Products
- Gold: 0.995+ purity
- Silver: 0.999+ purity
- Platinum: 0.9995+ purity
- Palladium: 0.9995+ purity
Advantages
- tax‑advantaged growth
- high purity standards
- mint‑verified authenticity
Disadvantages
- must be stored in an approved depository
- limited product selection
6. Specialty Bullion
Some bullion products offer unique features or formats.
Examples
- CombiBars – divisible bars for flexible selling
- Proof coins – high‑polish collector versions of bullion coins
- Cast bars – rugged, poured bars with natural textures
These products often carry higher premiums and are best for collectors or specialty buyers.
Which Type of Bullion Should You Buy?
Choose Coins If You Want:
- maximum liquidity
- global recognition
- strong security features
Choose Bars If You Want:
- the lowest premiums
- large quantities
- efficient storage
Choose Rounds If You Want:
- the lowest cost per ounce
- variety of designs
Choose Junk Silver If You Want:
- small denominations
- high liquidity
- historical U.S. silver
Explore More Bullion Guides
- Gold Bullion
- Silver Bullion
- Platinum Bullion
- Palladium Bullion
- Bullion Purity & Hallmarks
- Bullion vs Coins
- Bullion Storage
- How to Buy Bullion
- How to Sell Bullion
Related Guides
Educational Resource
Final Thoughts
Each type of bullion serves a different purpose. By understanding the differences between coins, bars, rounds, junk silver, and IRA‑eligible products, you can choose the right mix for your investment strategy in 2026 and beyond.