★ Bowie Knife | Doppler | Phase 4

It is one phase of the Bowie Knife Doppler finish, released on March 15, 2017. It drops from the Spectrum Case as a rare special item. The Bowie Knife Doppler (Phase 4) runs from 0.00 to 0.08 in float, so it comes only in Factory New and Minimal Wear, and it has a StatTrak version.

Factory New peaked at $579 on June 11, 2024 and trades 59% below that peak. It is down 14% over the past year and down 14% over 90 days. Over the past year it traded between $239 and $379. Its all-time low was $161, on October 24, 2025. The CS2 price history API carries the full Bowie Knife | Doppler (Phase 4) (Factory New) price history.

Minimal Wear costs 1.5 times as much as Factory New, the cheapest wear.

Steam asks the most at $350, 47% above the cheapest Factory New listing on CSFloat.

Doppler comes in four phases, Phase 1 to Phase 4, plus three rarer gem patterns: Ruby, Sapphire and Black Pearl. The pattern seed fixes the phase, and each phase trades as its own item with its own price. Black Pearl is the most expensive phase at $820, and Phase 3 the cheapest at $204.

24 Factory New copies are listed for sale across the four marketplaces. 19 Factory New copies sold in a recent 7-day window. Factory New is liquid and usually sells within hours.

The Doppler (Phase 4) finish also comes on the Bayonet, the Butterfly Knife, the Falchion Knife, the Flip Knife and 13 other weapons. It counts toward the Doppler (Phase 4) index.