Question 1

Which is cheaper, UMP-45 | Crimson Foil or UMP-45 | Exposure?

Accepted Answer

Catalog floor: UMP-45 | Crimson Foil $2.55 vs UMP-45 | Exposure $1.02. Pattern, float and stickers can invert that on inspect markets.

Question 2

Are these the same collection for a trade-up?

Accepted Answer

No — UMP-45 | Crimson Foil is The Sport & Field Collection, UMP-45 | Exposure is The Spectrum 2 Collection. Trade-up output weights follow input collections.

Weapon	UMP-45	UMP-45
Rarity	Restricted	Restricted
Collection	The Sport & Field Collection	The Spectrum 2 Collection
Listed price	$2.55	$1.02
Float range	0 – 0.68	0 – 0.55
Missing wears	None	None
StatTrak	No	Yes
Souvenir	No	No

UMP-45 | Crimson Foil vs UMP-45 | Exposure