This is a custom-designed balisong, commonly known as a butterfly knife. The defining characteristic of this weapon is the fan-like opening of a freely pivoting blade, allowing rapid deployment or concealment. As a result, butterfly knives are outlawed in many countries. It has some damascus steel parts.
★ Butterfly Knife Damascus Steel(WW)
⚡ 60% 💸 0% · 1.5% · 1% Open ⚡ 60% 💸 0% · 1% · 1% Open C5 C5Game ⚡ 60% 💸 0% · 5% · 0% Open ⚡ 60% 💸 0% · 1% · ? Open 
FAQ
How much does ★ Butterfly Knife | Damascus Steel (Well-Worn) cost?
★ Butterfly Knife | Damascus Steel (Well-Worn) currently starts at $737.38 — the best price across 12 marketplaces. Prices refresh about once an hour.
Where to buy ★ Butterfly Knife | Damascus Steel (Well-Worn)?
The cheapest offer right now is on DMarket at $673.84. It is also listed on Market.CSGO, CSFloat, Waxpeer; see the full comparison in the market list above.
Where to sell ★ Butterfly Knife | Damascus Steel (Well-Worn)?
You can sell on the Steam Community Market (~13% fee, money stays in Steam) or on marketplaces with cash withdrawal: DMarket (2%), CSFloat (2%), CS.Deals (2%) — lower fees and real payouts.