One-ounce coins and rounds, Canadian and Mexican silver, and how to tell bullion value from collector value.

The Perth Mint's silver kookaburra series: launched in 1990, a new bird design each year, sizes from 1 oz to 1 kg, and bullion versus collector value.

How the Australian Lunar coins follow the twelve animals of the Chinese zodiac, how the series are organised, and what separates bullion from collector value.

The Royal Mint's silver bullion coin since 1997: the move from Britannia silver to .999 fine in 2013, the £2 face value, sizes and modern security features.

Silver rounds explained: privately minted one-ounce pieces with lower premiums than coins, their resale and counterfeit risks, and how to verify them.

Why one troy ounce is the standard silver coin size, how the main 1 oz coins compare, and how tubes, monster boxes and premiums work.

A guide to Canadian silver coins: the .9999 Silver Maple Leaf, its security features, older circulating silver coinage and other Royal Canadian Mint issues.

An overview of the main silver bullion coins, from the American Silver Eagle to the Maple Leaf, Britannia, Philharmonic, Libertad, Kookaburra and Panda.

How to value a silver coin: melt value, bullion premiums, numismatic factors, the 70-point Sheldon grading scale and US 90% and 40% junk silver.

Mexico's silver coinage explained: colonial 8 reales, 20th-century silver pesos and the modern Libertad bullion coin, its sizes, design and premiums.