Skin lore
When the Arms Deal update introduced cosmetics in 2013, the Karambit was the first knife model added. Its curved blade became iconic and is still the highest-selling knife model on Steam Marketplace and third-party sites combined.
Skin lore
CS skins launched in August 2013 with the Arms Deal update
The Arms Deal update introduced skins to CS:GO in August 2013. Steam Market trading, case keys, knife rarity tiers — the entire CS economy started here. The first cases used the same drop-rate model that still exists today.
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Skin lore
Katowice 2014 stickers are the rarest valuable cosmetics in CS
Stickers from EMS One Katowice 2014 — the second CS:GO Major — were never re-issued. Authentic Holos and Golds from that capsule routinely trade for thousands of dollars on the secondary market over a decade later.
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Skin lore
Souvenir AWPs from the very first Major are now $100K+
Souvenir AWPs from DreamHack Winter 2013 (the first Major) are extraordinarily rare. Combined with rare stickers (Howl, Dragon Lore variants), some confirmed sales hit $250K+. The "souvenir" tag identifies items dropped from MVP-of-the-match vouchers.
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Skin lore
The Gut Knife is the cheapest "knife" you can own — but still worth $300+
Gut Knives are the lowest-tier knives — often called "ugly knives" — and even Vanilla Gut Knives in poor float trade for $300+. The high price is purely the rarity tier; knives drop ~1 in 400 case openings, making any knife a long-tail rarity.
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