Question 1

Which is cheaper, Tec-9 | Blast From the Past or Tec-9 | Army Mesh?

Accepted Answer

Catalog floor: Tec-9 | Blast From the Past $4.00 vs Tec-9 | Army Mesh $0.02. Pattern, float and stickers can invert that on inspect markets.

Question 2

Are these the same collection for a trade-up?

Accepted Answer

No — Tec-9 | Blast From the Past is The Ancient Collection, Tec-9 | Army Mesh is The Safehouse Collection. Trade-up output weights follow input collections.

Weapon	Tec-9	Tec-9
Rarity	Mil-Spec	Consumer Grade
Collection	The Ancient Collection	The Safehouse Collection
Listed price	$4.00	$0.02
Float range	0 – 0.65	0 – 0.6
Missing wears	None	None
StatTrak	No	No
Souvenir	Yes	Yes

Tec-9 | Blast From the Past vs Tec-9 | Army Mesh