Yu-Gi-Oh!Single

Machine King Prototype Price & Value

Name: Machine King Prototype
SKU: 89222931

Master ID 89222931

Avg. Price$0.61

30-day price trend

Range$0.18 – $1.03

Prices4

ConfidenceHigh

Listings2

Printings3

Also known as

ja: 機械王－プロトタイプ / ko: 기계왕프로토타입 / fr: Roi-Machine Prototype / de: Maschinenkönig Prototyp / it: Prototipo di Re delle Macchine / pt: Protótipo de Rei Máquina / es: Prototipo del Rey Máquina

Printings and variants (3)

BP03-EN019en / Rare

DR04-EN132en / Common

SOI-EN012en / Common

market prices

Machine King Prototype Market Prices

Cardmarket ↗avgSell

€0.14

raw_single • avgSellJun 21, 2026

Amazon ↗market

$1.03

raw_single • marketJun 21, 2026

eBay ↗market

$0.99

raw_single • marketJun 21, 2026

CoolStuffInc ↗market

$0.25

raw_single • marketJun 21, 2026

TCGPlayer ↗market

$0.18

raw_single • marketJun 21, 2026

seller marketplace rows

Seller Listings

Lowest ask: NT$3.00 (≈ $0.09)

Platform	Title	Price	Stock	Updated
ruten	［所長的店］機械王原型 (普卡) 日紙 EE04-JP132 搜：SOI-JP012	NT$3.00≈ $0.09	1	May 25, 2026	View
ruten	(新世界) SOI-JP012 機械王原型普卡 90-80分	NT$5.00≈ $0.16	1	May 22, 2026	View

price explanation

Why Machine King Prototype is priced this way

Machine King Prototype has 4 current USD market signals with an average of $0.61, a low of $0.18, and a high of $1.03. Confidence is high because multiple market signals are available.

Check set, rarity, language, condition, and seller rows before using one price as a buy or sell decision.

Machine King Prototype Price & Value

Machine King Prototype Market Prices

Seller Listings

Why Machine King Prototype is priced this way

Same set

Same rarity

Similar price