Souvenir M4A4 (Mainframe) (Well-Worn) Inspect a WW copy in game
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Souvenir M4A4 (Mainframe) (Well-Worn)

Industrial Grade Souvenir Souvenir -28.3% · 8 d+1.5% · 28 d

Souvenir M4A4 (Mainframe) (Well-Worn) is a Industrial-grade M4A4 skin in CS2. It drops from the London 2018 Nuke Souvenir Package.

Buy $0.617 BUFF163 Sell $0.304 DMarket
Steam $0.740 +20% vs best Prices for Well-Worn, buyer fees included · 25 marketplaces compared below
Updated 8 d ago · how we price →

Item facts

Rarity Industrial Grade M4A4 Skins
Collection The 2018 Nuke Collection
Drops from London 2018 Nuke Souvenir Package case from $26.04
Sold / day ~1.3K all markets
Liquidity High how fast it sells
Fair price $0.359 suggested
202d range $0.34 – $1.09 lowest ask, min–max
Steam spread $0.080 -29% · ask vs buy order
Steam sales 30d 610 avg 20.3 / day

Souvenir M4A4 (Mainframe) (Well-Worn) prices across 17 markets

Selling this skin? See what you’d get →
Official
Steam Market
No cash-out Bank card · PayPal
$0.740 +20% more than BUFF163
View
Best Price
BUFF163
China market 19 offers KYC
$0.617 −17% vs Steam
View Deal
#2
CS.MONEY
Marketplace 8 offers KYC
$0.690 +$0.07
View Deal
#3
Lis Skins
Instant sell 30 offers
$0.710 +$0.09
View Deal
#4
Skin.Land
Instant sell 30 offers KYC
$0.720 +$0.10
View Deal
#5
ECOSteam
China market 37 offers KYC
$0.728 +$0.11
View Deal
#6
Haloskins
Marketplace 10 offers KYC
$0.730 +$0.11
View Deal
#7
Aim.market
Instant sell 1 offer
$0.731 +$0.11
View Deal
#8
Waxpeer
P2P 1 offer
$0.746 +$0.13
View Deal

Each price is the total you pay, buyer fees included. The dot shows how well the venue fits your region. How we price →

Price history $0.617 -43% · 202d

Lowest ask · 89 snapshots since Apr 12, 2026 · dashed = a gap over a week

Same collection (The 2018 Nuke Collection): Nuclear Garden · Acheron · Control Panel · Cold Fusion · Facility Sketch · Coolant · All 18 items →

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$68.70 26 marketplaces
-4% · 28 d
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$61.40 25 marketplaces
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$13.32 25 marketplaces
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$376.14 23 marketplaces
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M4A4 (Mainframe): design, wear and market

Trade-up position

This + 9 more Industrial Grade from The 2018 Nuke Collection craft into one of:

AWP (Acheron)MP5-SD (Co-Processor)P250 (Exchanger)P90 (Facility Negative)
Trade-up calculator →
Market read

Across 25 markets the WW floor moved -43.4% in 202 days: $1.09 → $0.617.

Cheapest venue vs Steam right now: $0.123 apart (17%).

Sources: Valve item data · our 25-market price snapshot.
How much does M4A4 (Mainframe) cost?

M4A4 (Mainframe) is listed from $0.617 on 25 marketplaces, every price with buyer fees in. Wear floors: FN $1.19 · MW $0.528 · FT $0.210 · WW $0.617 · BS $0.700. Steam asks $0.740 for the same listing.

Where can I sell or cash out M4A4 (Mainframe)?

The best net payout right now is $0.304 on DMarket after its seller fee — the Sell tab ranks every venue. Steam pays $0.360 into your wallet, but Steam funds cannot be withdrawn as real money.

Does M4A4 (Mainframe) come in StatTrak or Souvenir?

Yes: Souvenir (from $0.617) versions trade alongside the standard one. Switch with the Quality pills above and the whole page recalculates.

How do I get M4A4 (Mainframe)?

The drop source is London 2018 Nuke Souvenir Package, itself listed from $26.04; the direct market price starts at $0.617. Opening containers for one specific skin rarely beats buying it outright.