Berlin Iron Signet Ring c. 1813–1820 & Mid-to-Late 19th Century 830 Silver Counterpart

A museum-worthy pair of antique rings, featuring a highly rare original early 19th-century Berlin iron (Fer de Berlin) signet ring, accompanied by its exact 830 silver counterpart from the mid-to-late 19th century. 

Finding a single, intact Berlin iron ring is incredibly rare, as their brittle nature means very few survived the last two centuries. Finding one paired with a later silver twin offers a physical, tangible representation of the famous 'Gold gab ich für Eisen' (I gave gold for iron) patriotic movement and the enduring legacy of the crest it bears.

The Historical Context & Origin
During the Napoleonic Wars (circa 1813), the Prussian Royal Family urged citizens to donate their precious metals to help fund the military defense against France. In exchange for their gold and silver, patriots were given iron jewelry replicas as a symbol of their loyalty and sacrifice.
This set perfectly illustrates the lifespan of that exchange. The cast iron ring is the early original, worn proudly to display a patriotic contribution during the war effort. The silver counterpart, cast in an 830 purity typical of Northern Germany, dates to the mid-to-late 19th century. This later casting was likely commissioned as a commemorative duplicate, a precious metal replacement by a descendant, or a formal realization of the iron guild crest once the economic hardships of the war had passed.

Design & Craftsmanship
Both rings display astonishing precision, demonstrating the immense skill required to capture the exact same intricate details in both soft silver and brittle iron.
The Signet Bezel: Both feature an octagonal face depicting a highly detailed crest—an arm or gauntlet wielding a tool over a block, topped with a distinctive insignia. This intriguing motif strongly suggests a blacksmith or ironworker guild, though the implements also bear a striking resemblance to agricultural tools, pointing toward a farming guild, agrarian estate, or specific fraternal order.
The Shoulders: The bands are beautifully decorated with deep, relief-worked floral and foliate motifs that wrap down the sides of the shank.

Measurements & Specifications:

The Berlin Iron Ring:
Era: c. 1813–1820
Weight: 10 grams
Ring Size: UK V-W / US 11 (European size 65)
Material: Cast iron with traditional blackened finish

The 830 Silver Ring:
Era: Mid to late 19th Century
Weight: 15 grams
Ring Size: UK Z+2 / US 13.5 (European size 71/72)
Purity: 830 Silver (Typical Northern German origin)

Condition Report
Both pieces survive in remarkable antique condition. The mid-to-late 19th-century 830 silver ring possesses a beautiful, unpolished antique patina that accentuates the deep relief carving of the guild tools and floral shoulders.

The early 19th-century Berlin iron ring is completely intact—which is exceptionally rare for cast iron rings of this era—and retains a beautiful blackened finish with crisp, highly legible details on the signet face.

If you have any further questions abou the set. Please do not hesitate to contact us.