Rust Coat leans into wear rather than hiding it: the balisong is presented as a battlefield relic from Siege, its exterior surfaces left corroded and weathered while the mechanism still works. The mottled orange-brown rust covers blade and handles for a deliberately battered, salvaged look.
Butterfly Knife (Rust Coat): design, wear and market
Market read
Across 25 markets the BS floor moved +3% in 18 days: $528.95 → $545.00.
Sources: Valve item data · our 25-market price snapshot.
How much does Butterfly Knife (Rust Coat) cost?
The current floor for Butterfly Knife (Rust Coat) is $545.00, compared across 25 marketplaces with fees included. By wear: WW $568.00 · BS $545.00.
Where can I sell or cash out Butterfly Knife (Rust Coat)?
Top net quote at the moment: $515.41 via DMarket, seller fee already deducted (see the Sell tab for every venue). Steam credits $738.04 to your wallet, and wallet money cannot be withdrawn.
Does Butterfly Knife (Rust Coat) come in StatTrak or Souvenir?
Yes: StatTrak (from $545.00) versions trade alongside the standard one. Switch with the Quality pills above and the whole page recalculates.
How do I get Butterfly Knife (Rust Coat)?
The drop source is Spectrum Case, itself listed from $3.29; the direct market price starts at $545.00. Opening containers for one specific skin rarely beats buying it outright.
Spectrum Case
Inspect a BS copy in game 
