© PCGS
 1 Gulden - Willem I Gold
1839 year| Gold | 13.8 g | 29.7 mm | 
|   Issuer   |  Indonesia › Netherlands East Indies (1601-1949) | 
|---|---|
|   King   |  William I (1816-1840) | 
|   Type   |  Pattern | 
|   Year   |  1839 | 
|   Value   |  1 Gulden | 
|   Currency   |  Gulden (1726-1854) | 
|   Composition   |  Gold | 
|   Weight   |  13.8 g | 
|   Diameter   |  29.7 mm | 
|   Shape   |  Round | 
|   Technique   |  Milled | 
|   Orientation   |  Coin alignment ↑↓ | 
|   Demonetized   |  Yes | 
|   Updated   |  2024-10-05 | 
|   Numista   |  N#394236 | 
|---|---|
|   Rarity index   |  100% | 
Reverse
Crowned coat of arms dividing value, date on top.
Script: Latin
 Lettering: 
 1 G
 MUNT VAN HET KONINGRYK DER NEDERLANDEN .1839.
 NEDERLANDSCH INDIE 
Unabridged legend: 1 Gulden
 Translation: 
 1 Guilder
 Coin of the Kingdom of the Netherlands
 Dutch East Indies 
Edge
Diagonally reeded.
Interesting fact
One interesting fact about the Pattern 1 Gulden - Willem I (Gold) 1839 from Indonesia › Netherlands East Indies (1601-1949) made of Gold weighing 13.8 g is that it was designed by the Dutch artist and engraver, Josephus Augustinus Brouwers. Brouwers was known for his work on various coins and banknotes, and his design for the Pattern 1 Gulden coin features a portrait of King Willem I on one side and a depiction of a standing lion on the other. The coin was minted in 1839, and it is considered a rare and valuable collector's item among numismatists today.