While hardly accurate, here is my attempt at translating the normal D&D coinage system into something like an ancient Chinese copper-based economy:
1 cp = 1 copper coin
1 sp = 1 “ring” of 10 copper coins
1 gp = 1 “string” of 100 copper coins
1 pp = 1 silver ingot
What follows is a very basic breakdown of the primary trade goods that are present in Land of the Ten Clans, broken down by region:
Beongae (Lightning)
Livestock: Pig/BoarGrain: Rice
Crop: Cucumbers
Raw Material: Wood
Premium Finished Good: Music Instruments/Bells
Inferior Finished Good: Textiles
Doku (Poison)
Livestock: PoltryGrain: Green Millet
Crop: Oranges
Raw Material: Clay
Premium Finished Good: Bone China
Inferior Finished Good: Tea (Green)/Rice Wine (Green)
Huo (Fire)
Livestock: DogGrain: Wheat
Crop: Pomelos
Raw Material: Cotton
Premium Finished Good: Tea (Red)/Rice Wine (Red)
Inferior Finished Good: Armor & Weapons
Korudo (Cold)
Livestock: CrabGrain: Sorghum
Crop: Chesnuts
Raw Material: Feldspar & Quartz
Premium Finished Good: Armor & Weapons
Inferior Finished Good: Musical Instruments/Bells
Suan (Acid)
Livestock: FishGrain: Black Millet
Crop: Dates
Raw Material: Ore
Premium Finished Good: Silk
Inferior Finished Good: Porcelain
Note: a Premium Finished Good refers to the highest quality version of that product in the land whereas Inferior Finished Good refers to the most common and affordable version of the product.