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TickerMint prices every card daily from its own TCGplayer record since 2024. No black boxes.

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Unlocking the Development Diagram (C+) GUNDAM

C+ · #ST10-014

Unlocking the Development Diagram (C+) #ST10-014 (Starter Deck 10: Generation Pulse) is worth about $13.62 today, the TCGplayer market price for any condition as of 2026-11-02, down 7% over 30 days.

This card has 2 printings (TCGplayer market, 2026-11-02): C+ Holofoil $13.62 (this page), Common Normal $1.43.

price trend and all-time high: more ↓

Unlocking the Development Diagram (C+) #ST10-014 is trending down: $13.62 today, down 7% in 30 days and 12% below its all-time high of $15.42 (2026-08-09), but near its low of $12.44 (2026-07-04). TCGplayer market price as of 2026-11-02, tracked daily since 2026-07-02. chart →

Price data for your app or store: free API key · daily history since 2024 · CSV download

$13.62
▼ 7.0% · 30d
TCGplayer market · daily · any condition ↗
condition prices from JustTCG listings, as of 2026-10-31
condition prices as of 2026-10-31; the chart and boards use the daily product tape
LOADING TAPE

WORTH GRADING?

WHERE TO BUY AND SELL

TCGplayer
$9.73
lowest listing · market $13.62
buy on TCGplayer ↗
eBay · raw
no listings
no raw listings in the price window
shop active ↗ · sold ↗
eBay · PSA 10
no graded listings
no graded asks in the last scan
PSA 10 sold listings ↗
Buy-side estimate
$13.62
THIN
a patient buyer pays about $13.62 delivered, from live asks, not sales
show the work →
TCGplayer only, no usable eBay asks in the latest scan
TCGplayer market$13.62verify ↗
TCGplayer lowest ask$9.73
Single source: TCGplayer market (no usable eBay asks in the last scan).
sell to a card shop: $9.53 cash · $10.90 store credit · about 70% / 80% of market
Floors are the median of the three lowest clean asks. Marketplace links may earn TickerMint a commission; it never affects the numbers.
The verdict · premium
Across every game TickerMint tracks, cards 3-15% off their high after a month down 5-25% were higher 90 days later 50% of the time in our archive since 2024 (7,742 cases). That rate is mostly the 202448 to 5877 to 86marketplace fees of about 13% most short holds lose money. Use it to time a sale, not to flip.
The median move, the verdict and the grade-worthy math: try Premium free for 7 days →
GAME DATA[ + ] SHOW
COST
4
COLOR
Blue
LEVEL
4
CARD TYPE
Command
DESCRIPTION
When playing this card from your hand, you may discard 1 (G Generation) Unit card. If you do, play this card as if it has 2 Lv. and cost. [Main] Draw 2.

MORE FROM STARTER DECK 10: GENERATION PULSE

FULL SET →

PRICE FAQ

Why does Unlocking the Development Diagram #ST10-014 have two prices?

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Unlocking the Development Diagram #ST10-014 was printed 2 ways and each one sells separately: C+ Holofoil $13.62; Common Normal $1.43 (TCGplayer market, 2026-11-02). Check the set, the rarity mark and any parallel foil, manga art or edition stamp on your copy to know which price is yours; TickerMint prices every printing on its own page.

What would a card shop pay for Unlocking the Development Diagram (C+)?

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Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $13.62 market price that is roughly $9.53 cash or $10.90 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.

What is Unlocking the Development Diagram (C+) (Starter Deck 10: Generation Pulse) worth today?

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Unlocking the Development Diagram (C+) [Holofoil] has a TCGplayer market price of $13.62 as of 2026-11-02.

Is Unlocking the Development Diagram (C+) going up or down in price?

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Unlocking the Development Diagram (C+) #ST10-014 is trending down: $13.62 today, down 7% in 30 days and 12% below its all-time high of $15.42 (2026-08-09), but near its low of $12.44 (2026-07-04). TCGplayer market price as of 2026-11-02, tracked daily since 2026-07-02. Other windows: down 3.1% over 7 days, down 8.1% over 90 days.

What is the all-time high price for Unlocking the Development Diagram (C+)?

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In TickerMint's daily data (since February 2025), the TCGplayer market price for Unlocking the Development Diagram (C+) [Holofoil] (all conditions) peaked at $15.42 (2026-08-09) and bottomed at $12.44 (2026-07-04).

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