Who created the UMP-45 | Mudder skin?

kr1j — author of the Steam Workshop submission this skin is based on. Matched by submission name; Valve provides no official attribution for it.

How much does Souvenir UMP-45 | Mudder (Factory New) cost?

The lowest price is $0.89 on BUFF163; the highest we track is $2.89. That is a 225% spread between markets.

What is the float range of Factory New?

From 0.06 to 0.07. The skin's full range is 0.06–0.8.

Where is Souvenir UMP-45 | Mudder (Factory New) cheapest to buy?

Right now the best price is on BUFF163 at $0.89. We compare 9 marketplaces plus Steam; prices refresh automatically.

How much can I get for Souvenir UMP-45 | Mudder (Factory New) instantly?

Selling into the buy order on BUFF163 nets $0.35 after the 3% fee.

How much would listing it for sale bring?

The best market is Market.CSGO: $1.45 list price, $1.38 net after fees.

Is the Souvenir UMP-45 | Mudder (Factory New) price going up or down?

Over the last 91 days it fell by 29.5%. Low $0.71 (2026-08-12), high $5.94 (2026-08-30), based on 1964 price samples.

What floats are currently listed?

30 live listings: floats from 0.0601 to 0.0693, median 0.0638. 13 of them are below 0.062.

CS2Price › UMP-45 | Mudder › Souvenir UMP-45 | Mudder (Factory New)

Souvenir UMP-45 | Mudder (Factory New)

Souvenir UMP-45 | Mudder (Factory New) is a Consumer Grade CS2 skin from The 2018 Inferno Collection, float 0.06–0.07. Tracked on 9 markets: cheapest at $0.89 (BUFF163), highest at $2.89, a 225% spread. Skin author: kr1j (per the Steam Workshop).

UMP-45Consumer GradeFactory NewSouvenir

All prices & listings →

$0.89cheapest · BUFF163

225%spread between markets

$0.35instant sell · BUFF163

$1.38net when listed · Market.CSGO

The misunderstood middle child of the SMG family, the UMP45's small magazine is the only drawback to an otherwise versatile close-quarters automatic. It has been painted in a marbleized pattern.

Where to buy Souvenir UMP-45 | Mudder (Factory New) cheapest

#	Market	Price
1	BUFF163	$0.89
2	CS.MONEY	$0.97
3	Skinport	$0.97
4	CSFloat	$1.00
5	Waxpeer	$1.09
6	YouPin898	$1.16
7	LIS-SKINS	$1.16
8	Market.CSGO	$1.45
9	Steam	$2.89

Full comparison with history, live listings and a float filter — on the Souvenir UMP-45 | Mudder (Factory New) comparison page.

Sell instantly: buy orders

Market	Order	You receive
BUFF163	$0.36	$0.35
Market.CSGO	$0.05 × 111	$0.05

"You receive" is net of the marketplace fee.

Price history

-29.5%over 91 days

$0.71low · 2026-08-12

$5.94high · 2026-08-30

1,964price samples

Other wears and versions

Factory New — $0.31 Minimal Wear — $0.02 Field-Tested — $0.01 Well-Worn — $0.01 Battle-Scarred — $0.01 Souvenir Minimal Wear — $0.04 Souvenir Field-Tested — $0.02 Souvenir Well-Worn — $0.02 Souvenir Battle-Scarred — $0.02

All UMP-45 | Mudder wears on one page →

All listings & prices in the app

FAQ

Who created the UMP-45 | Mudder skin?: kr1j — author of the Steam Workshop submission this skin is based on. Matched by submission name; Valve provides no official attribution for it.
How much does Souvenir UMP-45 | Mudder (Factory New) cost?: The lowest price is $0.89 on BUFF163; the highest we track is $2.89. That is a 225% spread between markets.
What is the float range of Factory New?: From 0.06 to 0.07. The skin's full range is 0.06–0.8.
Where is Souvenir UMP-45 | Mudder (Factory New) cheapest to buy?: Right now the best price is on BUFF163 at $0.89. We compare 9 marketplaces plus Steam; prices refresh automatically.
How much can I get for Souvenir UMP-45 | Mudder (Factory New) instantly?: Selling into the buy order on BUFF163 nets $0.35 after the 3% fee.
How much would listing it for sale bring?: The best market is Market.CSGO: $1.45 list price, $1.38 net after fees.
Is the Souvenir UMP-45 | Mudder (Factory New) price going up or down?: Over the last 91 days it fell by 29.5%. Low $0.71 (2026-08-12), high $5.94 (2026-08-30), based on 1964 price samples.
What floats are currently listed?: 30 live listings: floats from 0.0601 to 0.0693, median 0.0638. 13 of them are below 0.062.

Collection

Prices updated: 2 min ago · 10/23/2026, 9:01:15 PM

Prices are aggregated from 11 marketplaces into our own database and refresh automatically; USD values are converted from RUB at the current central-bank rate. CS2Price does not sell items — we compare prices and compute profitable trade-up contracts. Not affiliated with Valve.