00Why patterns matter
Every ★ Flip Knife | Case Hardened · Blue Gem has the same paint_index — but the pattern seed (0–999) controls exactly how the dye lands on the blade. Two listings can have the same wear and float but look dramatically different.
The cards below compare a typical Unranked roll (seed #573) against the Tier-1 hero we picked (seed #321). Same skin, same phase, same wear band — pattern is the only difference.
Unranked Pattern#573
Tier 1 Pattern example#321
About Blue Gem patterns
Flip Knife Case Hardened carries the marbled steel finish across a compact blade, so a clean blue play side reads boldly. The seed decides how much blue lands on the visible side; the blue-dominant rolls are the Blue Gems.
Seed #670 is the recognised #1 Flip Knife Blue Gem — owned by the Belgian collector Krieke, a co-author of this guide, and trading in the $5–10k range. Tier 1 also gathers #321, #151, #592, #661 and #555.
01Tier 1 — Best patterns
The best patterns in this skin. Tightest symmetry, deepest coverage, and the visual hallmarks that separate top-shelf examples from everything else.
Search all T1 patterns on the marketplaces02Tier 2
Very strong patterns — close to T1 quality but with one or two visual compromises (off-axis tip, slightly less coverage, or a less symmetric back).
Search all T2 patterns on the marketplaces03Tier 3
Above-average patterns. Recognisable as "good" but with a clear weakness compared to T1/T2 — useful for buyers who want a hint of pattern premium without paying T1 prices.
Search all T3 patterns on the marketplaces04Tier 4
The lower end of curated patterns. Still better than a random unranked roll, but the visual differentiator is subtle.
Search all T4 patterns on the marketplacesThe remaining ~854 paint_seeds fall outside the curated tiers. They make up the bulk of Phase 1 supply on every marketplace and don’t carry a pattern premium — what you see is what you get, like the baseline reference (seed #573) we used at the top of this guide. If a seed isn’t listed in T1–T4 or BTA above, treat it as Unranked.
Pattern tier classification originally compiled by korenevskiy & Krieke (Steam Community Guide).
Pattern renders are independently generated from live marketplace listings.
This page combines public-domain pattern data with our own renders, live pricing, and cross-marketplace listing search.