Ultraviolet skips swirls and graphics for individual parts spray-painted in flat black and purple, a deliberately minimal scheme. The simple two-tone treatment leans clean and menacing, letting the balisong's shape and flip animation do the talking rather than the paint.
Butterfly Knife (Ultraviolet): design, wear and market
Market read
Across 26 markets the WW floor moved -1% in 18 days: $539.99 → $534.48.
Sources: Valve item data · our 26-market price snapshot.
How much does Butterfly Knife (Ultraviolet) cost?
Butterfly Knife (Ultraviolet) is listed from $534.48 on 26 marketplaces, every price with buyer fees in. Wear floors: FN $1,824.35 · MW $787.58 · FT $575.97 · WW $534.48 · BS $477.33.
Where can I sell or cash out Butterfly Knife (Ultraviolet)?
Right now DMarket pays the most: $536.15 net after its seller fee; the Sell tab holds the full ranking by take-home amount.
Does Butterfly Knife (Ultraviolet) come in StatTrak or Souvenir?
It does — StatTrak (from $618.65) listings exist too. Pick a Quality pill above to see that variant priced across the same markets.
How do I get Butterfly Knife (Ultraviolet)?
The drop source is Spectrum Case, itself listed from $3.29; the direct market price starts at $534.48. Opening containers for one specific skin rarely beats buying it outright.
Spectrum Case
Inspect a WW copy in game 
