Very nice presentation, a distinctive thaler with an artistic portrait of the king, popularly known as "armorial".
The coin, the minting of which "in addition to its economic value, also had prestige significance," as Janusz Parchimowicz points out.
An important issue with a rich history, the creation of which was preceded by a competition with a series of trials, resulting in stamps made by the outstanding medallicist of the era - Jan Filip Hollzhaeuser. You can read their story on the SAP Silver Coins blog, among others.
Variety with a dot after COLONIEN, without a dot after the date and initials Sylma.
Silver, diameter 42.6 mm, weight 27.8 g.