During the end of the Great Nordic War, the attack on Marstrand was July 10-19 1719. The Danes had subjected the Swedish City of Gothenburg to a blockade in the spring 1719 The General Tordenskjold is shown on the brooch. This brooch was designed by Norsk Monster along with Henrik Moller silversmiths was a major proponent of "Dragestil" a Norse revival style of artist craft large silver brooches that used many Viking and Medieval motifs. These are fairly rare. For you from the winds of Kansas!