The Royal Dutch Mint still mints a silver ducat today. Manutius's priced his Latin octavos at 30 soldi, which was a fourth of a ducat. Its counterpart in gold was the Venetian ducat. During his reign the first Venetian gold ducat was introduced into circulation. Count Friedrich insisted on the payment of the 6,000 ducat surety. The "ducat" was named after the duchy of Apulia. Gold ducat types derive from silver ducat types, which were ultimately Byzantine. Their purity made the Hungarian ducat acceptable throughout Europe. The Mamluk ashrafi, the Ottoman altun, and the Castilian ducat are examples. The Duchy also had its own currency&colon; the ducat. They were equivalent to the Venetian ducat. Polly is taken into service in the Ducat household. The match was immediately abandoned as a mark of respect for Ducat. Primarolo married UNISON regional secretary Ian Ducat in Bristol in 1990. As rulers reformed their currencies, they most frequently used the ducat as a model.