Question 1

Which is cheaper, M4A1-S | Master Piece or M4A1-S | Vaporwave?

Accepted Answer

Catalog floor: M4A1-S | Master Piece $124.54 vs M4A1-S | Vaporwave $49.67. Pattern, float and stickers can invert that on inspect markets.

Question 2

Are these the same collection for a trade-up?

Accepted Answer

No — M4A1-S | Master Piece is The Overpass Collection, M4A1-S | Vaporwave is The Gallery Collection. Trade-up output weights follow input collections.

Weapon	M4A1-S	M4A1-S
Rarity	Classified	Covert
Collection	The Overpass Collection	The Gallery Collection
Listed price	$124.54	$49.67
Float range	0 – 1	0 – 0.597321
Missing wears	None	None
StatTrak	No	Yes
Souvenir	Yes	No

M4A1-S | Master Piece vs M4A1-S | Vaporwave