10) ★ Butterfly Knife | Doppler Phase 1

The blade of the knife is painted with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The color scheme of the skin includes various shades of dark blue, purple, and pink creating gradient transitions. The handle is unpainted and complemented with red inserts.

The quality of Butterfly Knife | Doppler Phase 1 is Covert. It has a StatTrak option and is close to phases 3 and 4 in terms of rarity. The skin belongs to the “Butterfly Knife | Doppler” series.

CASE: Spectrum 2 Case, Spectrum Case

PRICE: $2.038

9) ★ Butterfly Knife | Doppler Phase 2

The blade of the knife is painted with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The color scheme of the skin includes various shades of pink and purple creating gradient transitions. The handle is unpainted and complemented with burgundy inserts.

The quality of Butterfly Knife | Doppler Phase 2 is Covert. The skin has a StatTrak option and belongs to the "Butterfly Knife | Doppler" series.

“Doppler Phase 2” is one of the most popular skins for Butterfly Knife. The skin has a very large number of fans and is considered to be more valuable than phases 1, 3, or 4.

CASE: Spectrum 2 Case, Spectrum Case

PRICE: $2.172

8) ★ Butterfly Knife | Marble Fade

Butterfly Knife | Marble Fade (BFK MF) was added to the game on March 15, 2017, alongside the "Take a trip to the Canals" update. The skin is available in cases "Spectrum" and "Spectrum 2".

The blade of the knife is painted with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The color scheme of the skin includes various shades of yellow, blue, and red creating gradient transitions. The handle is unpainted and complemented with orange inserts.

CASE: Spectrum 2 Case, Spectrum Case

PRICE: $2.144

7) ★ Butterfly Knife | Doppler Phase 4

Butterfly Knife | Doppler Phase 4 (BFK P4) was added to the game on March 15, 2017, alongside the "Take a trip to the Canals" update. The skin is available in cases "Spectrum" and "Spectrum 2".

The blade of the knife is painted with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The color scheme of the skin includes various shades of blue, brown, and black creating gradient transitions. The handle is unpainted and complemented with blue inserts.

The quality of Butterfly Knife | Doppler Phase 4 is Covert. The skin has a StatTrak option and is close to phases 1 and 3 in terms of rarity. The skin belongs to the "Butterfly Knife | Doppler" series.

CASE: Spectrum 2 Case, Spectrum Case

PRICE: $2.575

6) ★ Butterfly Knife | Doppler Black Pearl

The blade of the knife is painted with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The color scheme of the skin includes various shades of blue, purple, and crimson creating gradient transitions. The handle is unpainted and complemented with dark blue inserts.

“Doppler Black Pearl” is one of the rarest skins for Butterfly Knife and is highly valued by skin collectors. Due to a high price, Butterfly Knife | Gamma Doppler Black Pearl is rarely seen in the game.

The quality of Butterfly Knife | Doppler Black Pearl is Covert. The skin has a StatTrak option and is the rarest, but not the most expensive phase of the “Butterfly Knife | Doppler” series.

CASE: Spectrum 2 Case, Spectrum Case

PRICE: $7.111

5) ★ Butterfly Knife | Crimson Web

The blade of the knife is painted solid red and adorned with a black web pattern. The handle is painted black.

The skin is most valued in Factory New condition, which is considered to be the rarest and the most expensive option. The quality of Butterfly Knife | Crimson Web is Covert. The skin has a StatTrak option and belongs to the "Crimson Web" series.

Butterfly Knife | Crimson Web became popular after the release and remains in demand today. Rare pattern variations of the skin are highly valued by collectors.

CASE: Operation Breakout Weapon Case

PRICE: $21.421

4) ★ Butterfly Knife | Ultraviolet

The skin resembles a brighter version of Butterfly Knife | Night. The entire body of the knife is painted matte black. The black handle is complemented with purple inserts.

The skin is most valued in Factory New condition, which is considered to be the rarest and the most expensive option. The quality of Butterfly Knife | Ultraviolet is Covert. The skin has a StatTrak option and belongs to the "Ultraviolet" series.

Butterfly Knife | Ultraviolet is very popular and is often seen in the game due to its relatively low price.

CASE: Spectrum 2 Case, Spectrum Case

PRICE: $7.038

3) ★ Butterfly Knife | Fade

The blade of the knife is chromed and coated with translucent paints creating gradient transitions. The pattern is made in various shades of purple, pink and yellow. The color ratio depends on the pattern index. The handle is unpainted and complemented with red inserts.

The quality of Butterfly Knife | Fade is Covert. The skin has a StatTrak option and belongs to the "Fade" series.

CASE: Operation Breakout Weapon Case

PRICE: $3.038

2) ★ Butterfly Knife | Doppler Ruby

The blade of the knife is painted with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The color scheme of the skin includes various shades of red creating gradient transitions. The design of the skin resembles the texture of the ruby. The handle is unpainted and complemented with brown inserts.

The quality of Butterfly Knife | Doppler Ruby is Covert. The skin has a StatTrak option and is not the rarest but one of the most expensive phases in the “Butterfly Knife | Doppler” series.

“Doppler Ruby” is one of the most popular skins for Butterfly Knife. The skin has a very large number of fans, but due to its high price, it is rarely seen in the game.

CASE: Spectrum 2 Case, Spectrum Case

PRICE: $13.906

1) ★ Butterfly Knife | Doppler Sapphire

Butterfly Knife | Doppler Sapphire (BFK Sap) was added to the game on March 15, 2017, alongside the "Take a trip to the Canals" update. The skin is available in cases "Spectrum" and "Spectrum 2".

The blade of the knife is painted with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The color scheme of the skin includes various shades of blue creating gradient transitions. The design of the skin resembles the texture of the sapphire. The handle is unpainted and complemented with dark blue inserts.

The quality of Butterfly Knife | Doppler Sapphire is Covert. The skin has a StatTrak option and is not the rarest but the most expensive phase in the “Butterfly Knife | Doppler” series.

“Doppler Sapphire” is one of the most popular skins for Butterfly Knife. The skin has a very large number of fans, but due to its high price, it is rarely seen in the game.

CASE: Spectrum 2 Case, Spectrum Case

PRICE: $25.901

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