db_file_img_76450_400x380 19th century amber, gold and diamond cheroot holder, mounted with an entwined snake and frog, the gold collar set with diamonds, cased. 12.1 grams, 8cm

This unusual piece is a cheroot holder, beautifully crafted from amber, gold and diamonds into the shape of a snake and frog. The cheroot is a cylindrical cigar that is still smoked in parts of Asia today. It was a style of smoking made popular in the 19th century during the British Empire. It was smoked in the belief that it would prevent tropical diseases in India, where this type of cigar was a tradition.

Carved ivory, engraved gold and silver, adorned with precious stones, these elaborate pieces can sell in excess of £16 000 to collectors at auction. Check out more cheroot holders sold at auction here.

A Berlin ironwork necklace, early 19th Century, the ten graduating oval cameo mounts with scalloped edge detailing each applied to the centre with the profile of a lady or gentleman A Berlin ironwork necklace, early 19th Century, the ten graduating oval cameo mounts with scalloped edge detailing each applied to the centre with the profile of a lady or gentleman

During the 19th century, ironwork jewellery, which has its roots in Berlin in the 1800s, was extremely popular and was a design feat of the Gothic-revival period.

Although the pieces are intricately crafted, they have an austere history. In 1804 The Royal Berlin Foundry began to produce pieces including vases, candelabras and furniture in iron. In 1806, craftsman began making jewellery out of iron. This same year, when Napoleon took Berlin, the style of production was taken over to France.

It was during 1813 to 1815 when this style of jewellery was as its most popular. This was due to the fact that the Prussian royal family asked citizens to donate their precious metals to fund the uprising against Napoleon during the War of Liberation.

These pieces of jewellery became a political statement, often featuring inscriptions which translate to I gave gold for iron and For the welfare of our country. These austere jewellery designs became a symbol of patriotism.

Today, the Met Musuam, Musée des Beaux-Arts de Rouen, Neues Museum and the V&A all feature examples of ironwork jewellery in their collections.

At auction, ironwork jewellery designs can sell in excess of £13 000. Check out more realised prices for ironwork jewellery here.

A mid Victorian micro mosaic necklace A mid Victorian micro mosaic necklace

Micro mosaic jewellery finds its roots all the way back to the Romans. The pieces were originally composed of tiny glass bricks called tesserae. The style has a great resurgence in the early to mid 19th century, when Rome became one of Europe's most popular tourist destinations.

Rich holiday-makers in Rome would have micro mosaic pieces made of the sights they had seen, including the Colosseum, the equivalent of t-shirt or postcard souvenirs today.

Today, full suites of micro mosaic jewellery can fetch more than £20 000 at auction. Check out realised prices for micro mosaic jewellery here.

Thomas Watson's Fine Art sale will take place on 20th June, 2017. Check out the full catalogue here.

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