This balisong takes the Doppler finish, built by swirling black and silver metallic paints through a marbleizing medium and locking them under a candy coat. Phase 4 identifies one particular color spread within the Doppler family, distinguishing it from the other phases that share the same technique.
Each price is the total you pay, buyer fees included. The dot shows how well the venue fits your region. How we price →
No tracked buyback quote for this variant in the current snapshot.
You can still sell it for a real-money payout on: CS.MONEY (5% fee) · GameBoost (0% fee) · Skinvault (60% fee) · Waxpeer (2% fee) — the venue’s seller fee comes off your payout.
Butterfly Knife (Doppler Phase 4): design, wear and market
Doppler phases
Doppler and Gamma Doppler are split into phases. Standard Doppler has Phase 1–4 plus the rare Ruby (red), Sapphire (blue) and Black Pearl. Gamma Doppler adds Emerald as its top phase.
The phase is part of the item and changes both the look and the value — Ruby, Sapphire, Emerald and Black Pearl trade well above the numbered phases. On this page the phase is shown in the name and selectable where variants exist.
Across 12 markets the FN floor moved +12.6% in 18 days: $2,589.25 → $2,916.48.
Sources: Valve item data · our 12-market price snapshot.
How much does Butterfly Knife (Doppler Phase 4) cost?
Butterfly Knife (Doppler Phase 4) starts at $2,916.48 across 12 marketplaces in our comparison, buyer fees included. Current floors by wear: FN $2,916.48.
Does Butterfly Knife (Doppler Phase 4) come in StatTrak or Souvenir?
Yes — this skin also trades as StatTrak (from $2,916.48). Use the Quality pills above to switch; every number on the page recalculates for the selected variant.
How do I get Butterfly Knife (Doppler Phase 4)?
The drop source is Spectrum Case, itself listed from $3.29; the direct market price starts at $2,916.48. Opening containers for one specific skin rarely beats buying it outright.
Spectrum Case
