Adapton Solidus

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Adapton Solidus
Adapton Imperial Solidus (Adapton)
Adapton Solidus
Adapton Solidus
ISO 4217
Pluralsolidi, soliduses
Symbol$, A$, AD$
 Freq. used1, 2, 10, 20, 50, 100, 500
 Rarely used5
 Freq. used1, 5, 10, 20, 50
 Rarely used2
User(s) Adaptus

The Adapton Solidus, officially the Adapton Imperial Solidus yet commonly referred to as the Solidus, is the official currency of Adaptus. The currency code for the Adapton Solidus is ADS. Characterised by its symbols $, A$, and AD$, the currency is integral to the Adaptian economy and its financial systems.


Within the historical context of Adaptus, the term "solidus" is rooted in the ancient Adapton language, drawing inspiration from the concept of steadfastness and reliability. In ancient Adaptus, as the various regions began their initial stages of unification, the solidus coin was introduced as a symbol of unity and the newly formed alliance's strength. Over time, this coin came to be synonymous with dependability in trade and commerce, reflecting its unwavering value and pure content. As Adaptus transitioned through various economic phases, the solidus remained integral, eventually lending its name to the modern-day currency, representing both heritage and stability.

"Centesimus", in the Adapton linguistic tradition, is derived from a term signifying "division" or "fragment". When the concept of fractional currency was introduced in Adaptus to facilitate more granular trade transactions, the term "centesimus" was adopted to denote the hundredth part of a solidus. This nomenclature has persisted through to modern times, where it still stands as a symbol of the nation's rich history of trade and commerce.


The Adapton Imperial Solidus has its origins in the 16th century during the formation of the Adapton Empire. The name “Solidus” was derived from ancient monetary systems and represented the unified and stable economy the empire aimed to establish. Throughout its existence, the currency has undergone several redesigns. The most recent design, implemented in the 21st century, incorporates elements representing Adaptus's cultural, natural, and architectural heritage.


5 sous.

Coins of the Adapton Imperial Solidus are used for a variety of transactions within Adaptus. The denominations in circulation are the 1, 5, 10, 20, and 50 sous, with the 1-sou coin being particularly common for smaller transactions. There is also a 2-sou coin, which has limited circulation and is often associated with specific cultural practices in Adaptus. The design of each coin incorporates elements representative of Adaptus's cultural and historical heritage, ensuring they are both functional and symbolic.

Denomination Common name Obverse Reverse Obverse portrait and design date Reverse motif and design date Weight Diameter Material Edge Circulation
1 sou “Single” Portrait of First Emperor (2001) Adaptus National Emblem (2001) 3.5g 20mm Copper Milled Common
2 sous “Twin” Ancient Adapton Art (2008) Adapton Fauna (2008) 4g 21mm Copper Smooth Limited
5 sous “Fiver” Historical Landmark of Adaptus (2005) National Bird (2005) 5g 23mm Copper-Nickel Smooth Common
10 sous “Dimer” Adapton Cultural Figure (2010) Adaptus Mountain Range (2010) 6.5g 26mm Nickel Milled Common
20 sous “Double Dimer” Renowned Adapton Scientist (2015) National Flower (2015) 8g 29mm Nickel-Brass Smooth Common
50 sous “Half Solidus” Modern Adapton Leader (2020) Adaptus Skyline (2020) 10g 32mm Brass Milled Common


The banknotes of the Adapton Imperial Solidus serve as the primary medium for larger transactions. The available denominations include the 1, 2, 10, 20, 50, 100, and 500 solidi notes. The 500-solidus note, while legal tender, is less frequently used in daily transactions due to its high value. The 5-solidus banknote, although in circulation, is less common than other denominations. Each note incorporates advanced security features to prevent counterfeiting. The designs on the banknotes feature significant figures, landmarks, and events from Adaptus's history, making them both practical in use and reflective of the nation's identity.

Denomination Front (image) Reverse (image) Portrait Reverse motif First series Latest series Circulation
1 solidus First Emperor of Adaptus Adaptus Main Harbour 2000 2020 Common
2 solidi Adapton Literature Icon Adaptus Central Library 2001 2021 Common
5 solidi Renowned Adapton Musician Adapton Traditional Instruments 2002 2022 Limited
10 solidi Notable Adapton Scientist Adaptus National Observatory 2003 2023 Common
20 solidi Leading Adapton Diplomat Adaptus International Embassy Row 2004 2023 Common
50 solidi Modern-Day Adapton Leader Adaptus Modern Skyline 2005 2023 Common
100 solidi Founders of Adaptus Historical Adaptus Battle Scene 2006 2023 Common
500 solidi Pioneers of Adapton Industry Adaptus Economic Hub Panorama 2007 2023 Rare


The Adapton Imperial Solidus is represented by the ISO code ADS and is commonly symbolised by $, A$, or AD$. It consists of a subunit known as 'centesimus', where one Solidus is divided into 100 cent. The subunit is often represented by the symbol ¢. When referring to the currency in plural, the terms 'solidi' and 'soliduses' are used, while the colloquial term for the currency is 'Solidus'.

Economic indicators

The Adapton Solidus has maintained a consistent value over the past decade. The annual inflation rate averages at 2.5%. The central bank of Adaptus oversees the monetary policy and issuance of the A$, using various fiscal measures to ensure currency stability. Recent economic policies have contributed to a stable A$, with the country observing consistent economic growth, increased exports, and a surge in foreign investments.

International use

The primary use of the Adapton Imperial Solidus is within Adaptus. However, due to the country's strategic trade relationships and its stable economy, the currency has gained acceptance as a reserve currency for trade in neighbouring countries. Additionally, its stability has led some international financial entities to hold reserves in A$.