Collecting

Building a Twelve Caesars Set on Any Budget

9 min read · Denari Coins editorial

Suetonius gave us the list; the mints gave us the portraits. A Twelve Caesars set is the most satisfying goal in ancient coins — and you can pitch it at any budget.

A denarius of Augustus, first of the Twelve Caesars.
AdhesiveRegex / Wikimedia Commons · CC0

Around AD 121, the historian Suetonius wrote The Lives of the Twelve Caesars — biographies of Julius Caesar and the first eleven emperors. Collectors have chased the matching set of coin portraits ever since. It is the perfect project: a fixed, famous list of twelve, every one of whom struck coins, ranging from the easy and cheap to the genuinely challenging. You finish with a row of faces that runs from the fall of the Republic to the year 96.

The twelve

The list is Julius Caesar, Augustus, Tiberius, Caligula, Claudius, Nero, Galba, Otho, Vitellius, Vespasian, Titus, and Domitian. Some are common; a few are the whole challenge of the set. Knowing which is which before you start saves money and disappointment.

  • Easy & affordable — Augustus, Tiberius, Claudius, Nero, Vespasian, Titus, Domitian.
  • Moderate — Julius Caesar, Caligula.
  • The hard ones — Galba, Otho, and Vitellius (the three emperors of AD 68–69).

Three ways to build it

Budget bronze run. Aim for as-struck or worn bronzes — Augustan and Flavian asses and dupondii, late provincial bronzes for the tough emperors. The three short-lived 68–69 emperors are the bottleneck; for them, an affordable provincial bronze or a worn denarius keeps the set moving. This route can be done for a fraction of a single silver Otho.

Mid-tier silver set. Denarii for everyone, in solid Fine to Very Fine. Most of the Twelve are easy in silver; Galba is pricier, Otho is the budget-buster (he reigned three months and struck no bronze at Rome), and Vitellius sits in between. This is the classic, balanced way to do it.

Trophy portraits. Choice EF denarii or aurei, chosen for artistry and a sharp portrait. Here the goal is eye appeal, not just the name — a beautifully struck Nero or a fine-style Vespasian is a small work of art.

Otho, and how to plan around him

Every Twelve Caesars set is really a plan for Otho. Because he ruled only from January to April 69 and issued no bronze from the capital, even a worn Otho denarius costs more than a nice example of most other emperors. The seasoned approach is to budget for Otho first and let him set the tier of the whole set: buy the Otho you can afford, then match the other eleven to roughly that grade and price. Do that and the project stays coherent instead of lopsided.

A note on authenticity

The famous names attract fakes, and the rare emperors most of all — Otho, Vitellius, and Caligula in particular. For anything beyond cheap common bronzes, buy certified coins or buy from dealers who guarantee authenticity in writing. A Twelve Caesars set is a long-term project and often a family heirloom; protect it by insisting on provenance and certification on the keys.

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