Logo Title
obverse
reverse
Heritage Auctions
Thailand
Context
Years: 1887–1905
Issuer: Thailand Issuer flag
Currency:
(1869—1897)
Subdivision: 1 Solot = 1⁄16 Fuang = 1⁄128 Baht
Demonetization: 17 May 1909
Total mintage: 30,720,000
Material
Diameter: 19.1 mm
Weight: 2.8 g
Shape: Round
Composition: Bronze
Magnetic: No
Technique: Milled
References
Y: #Click to copy to clipboard21
Numista: #13246

Obverse

Description:
Uniformed bust of King Rama V, left-facing.
Inscription:
จุฬาลงกรณ์ ป.ร. พระจุลจอมเกล้าเจ้ากรุงสยาม
Translation:
Chulalongkorn Paramanuja, Phra Chulachomklao, Lord of Siam.
Script: Thai
Language: Thai

Reverse

Description:
Phra Siam Devadhiraj seated on a shield, holding a spear. The shield's three sections feature: a three-headed elephant for Siam (top), an elephant for Lan Xang (bottom left), and crossed Kris and Warangka for Malay. Inscriptions flank the figure, with the date below.
Inscription:
หนึ่ง โสฬศ

๑๑๘
Translation:
One Solot

118
Script: Thai
Language: Thai

Edge

Plain.

Categories

Symbols> Coat of Arms


Mintings

YearMint MarkMintageQualityCollection
1887BU
1887๑๒๔๙; coin alignment; Hamburg MintBU
1887๑๒๔๙; coin alignment; Hamburg MintBU
189010,240,000
1890๑๐๙; medal alignment; Birmingham Mint10,240,000
1890๑๐๙; medal alignment; Birmingham Mint10,240,000
1899BU
1899๑๑๘; coin alignment; Hamburg MintBU
1899๑๑๘; coin alignment; Hamburg MintBU
1905๑๒๔; coin alignment; Hamburg MintBU
1905๑๒๔; coin alignment; Hamburg MintBU
1905BU

Historical background

In 1887, Thailand, then known as Siam, was navigating a complex monetary landscape characterized by a lack of a unified national currency. The economy operated on a bimetallic system, but it was dominated by the bullet coinage (known as photduang or tical), a unique, handcrafted silver currency cast in the shape of bent rods. These coins, valued by their weight and purity, circulated alongside a multitude of foreign currencies, including Mexican and Peruvian silver dollars, Indian rupees, and British Straits Settlements dollars, which were essential for international trade, particularly with Singapore and Hong Kong. This proliferation created chronic confusion, hindered commerce, and complicated state revenue collection, as exchange rates fluctuated constantly.

King Chulalongkorn (Rama V) and his modernizing government recognized that this monetary anarchy was a major obstacle to Siam's sovereignty and economic integration with the colonial powers encircling it. The year 1887 was a pivotal point in a deliberate reform process. That same year, the king established the Royal Mint Department, a concrete institutional step toward taking full control of the nation's currency. The goal was to replace the old bullet coins and disparate foreign silver with a modern, decimalized, machine-struck coinage that would be uniform, trustworthy, and issued solely by the Siamese state.

Therefore, the situation in 1887 was one of active transition from fragmentation to centralization. While the old system was still in widespread daily use, the foundational machinery for a modern monetary system was being put in place. The successful introduction of flat, round baht coins, beginning in 1897, would be the direct result of the reforms initiated in this period, ultimately strengthening Siam's fiscal independence and facilitating its integration into the global economy.
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