Palau – (4) Gold Coins of the Roman Empire – $1 – 2011 – New Series – Presentation Case with COA – A new series of legal tender One Dollar gold coins from the Republic of Palau that will feature reproductions of four Roman gold coins every year until the 24 coin set is complete. This set includes an Aureus from the reign of Emperor Severus Alexander with an image of the Colosseum in Rome, the biggest amphitheatre in Ancient Rome. It was capable of seating more than 50,000 spectators and had eighty portals. Construction of the four-storied building began under the rule of Emperor Vespasian in 72 AD and was completed eight years later by his son Titus. The opening ceremony with gladiator and animal fights lasted 100 days. Under the elliptical arena were situated a network of cages, storage facilities and cloakrooms. Today the Colosseum is the most famous landmark in Italy and is visited by more than three million tourists yearly. Secondly, an Aureus of Emperor Trajan with the inscription IMP CAESAR NERVA TRAIAN AVG GERM. Trajan, who reigned from 98 until 117, was born in Spain and was the first Roman Emperor from the province. In a conventional army career he succeeded in becoming an officer, consul and general. In the year 97, under pressure from the senate and army, he was selected by Emperor Nerva as his adoptive son and co-regent.