The Cobblestone Collection — CS2 Trade-Up Guide

All 15 skins in The Cobblestone Collection with float ranges and the cheapest cached market price, plus 5 trade-up paths and every possible outcome. Use the calculator to plan a contract with exact float math and live prices.

Calculate a The Cobblestone Collection trade-up

Consumer Grade

Skin	Float range	Cheapest cached price
Dual Berettas \| Briar	0.00 – 0.22	$9.33 (Factory New)
MAC-10 \| Indigo	0.06 – 0.80	$5.28 (Minimal Wear)
P90 \| Storm	0.06 – 0.80	$3.29 (Minimal Wear)
SCAR-20 \| Storm	0.06 – 0.80	$2.88 (Minimal Wear)
UMP-45 \| Indigo	0.06 – 0.80	$3.43 (Minimal Wear)

Industrial Grade

Skin	Float range	Cheapest cached price
MAG-7 \| Silver	0.00 – 0.08	$26.97 (Factory New)
Nova \| Green Apple	0.00 – 0.30	$14.00 (Factory New)
Sawed-Off \| Rust Coat	0.00 – 0.80	$15.80 (Factory New)
USP-S \| Royal Blue	0.06 – 0.80	$32.00 (Minimal Wear)

Mil-Spec Grade

	Skin	Float range	Cheapest cached price
	MP9 \| Dark Age	0.00 – 0.22	$73.75 (Factory New)
	P2000 \| Chainmail	0.00 – 0.22	$52.06 (Factory New)

Restricted

	Skin	Float range	Cheapest cached price
	CZ75-Auto \| Chalice	0.00 – 0.10	$339.03 (Factory New)
	Desert Eagle \| Hand Cannon	0.01 – 0.70	$415.00 (Factory New)

Classified

	Skin	Float range	Cheapest cached price
	M4A1-S \| Knight	0.00 – 0.10	$2999.00 (Factory New)

Covert

	Skin	Float range	Cheapest cached price
	AWP \| Dragon Lore	0.00 – 0.70	$11225.00 (Factory New)

Trade-up paths in The Cobblestone Collection

Consumer Grade → Industrial Grade

Possible outcomes: MAG-7 | Silver (0.00–0.08, $26.97 (Factory New)), Nova | Green Apple (0.00–0.30, $14.00 (Factory New)), Sawed-Off | Rust Coat (0.00–0.80, $15.80 (Factory New)), USP-S | Royal Blue (0.06–0.80, $32.00 (Minimal Wear))

Industrial Grade → Mil-Spec Grade

Inputs (any 10 of): MAG-7 | Silver, Nova | Green Apple, Sawed-Off | Rust Coat, USP-S | Royal Blue

Possible outcomes: P2000 | Chainmail (0.00–0.22, $52.06 (Factory New)), MP9 | Dark Age (0.00–0.22, $73.75 (Factory New))

Mil-Spec Grade → Restricted

Inputs (any 10 of): P2000 | Chainmail, MP9 | Dark Age

Possible outcomes: CZ75-Auto | Chalice (0.00–0.10, $339.03 (Factory New)), Desert Eagle | Hand Cannon (0.01–0.70, $415.00 (Factory New))

Restricted → Classified

Inputs (any 10 of): CZ75-Auto | Chalice, Desert Eagle | Hand Cannon

Possible outcomes: M4A1-S | Knight (0.00–0.10, $2999.00 (Factory New))

Classified → Covert

Inputs (any 10 of): M4A1-S | Knight

Possible outcomes: AWP | Dragon Lore (0.00–0.70, $11225.00 (Factory New))

Outcome floats follow the CS2 formula: the average adjusted float of your 10 inputs, rescaled into each outcome's float range. SuperTradeUps computes this exactly, including the post-October-2025 normalized float system.