What is knife in mouth - case hardened (blue gem) worth on Roblox?
As of September 15, 2026, knife in mouth - case hardened (blue gem) has a Recent Average Price (RAP) of 1,690 Robux and the cheapest reseller listing is 5,555 Robux. Across the 99 owned copies, its estimated market value is 167,310 Robux.
That puts the cheapest copy 229% above RAP. Sellers are holding out for more than the item has recently traded at, which is normal for a UGC Limited with few copies on the market.
How rare is knife in mouth - case hardened (blue gem)?
knife in mouth - case hardened (blue gem) is a UGC Limited Face Accessory with 99 total copies. it is sold out at the original price, so copies now trade only on the resale market. it originally sold for 100 Robux.
At 1,690 Robux, RAP sits 17x the 100 Robux it first sold for.
knife in mouth - case hardened (blue gem) has 77 favorites on the Roblox catalog.
About knife in mouth - case hardened (blue gem)
the blade has been color case hardened, producing a highly desired and rare light blue texture. more ugc and knives here: https://www.roblox.com/catalog?Category=11&CreatorName=Tom_atoes&salesTypeFilter=1&IncludeNotForSale normal version: https://www.roblox.com/catalog/13783868299/
Where to find knife in mouth - case hardened (blue gem)
knife in mouth - case hardened (blue gem) is Roblox asset ID 13839668079. it was published by Tom_atoes. on RBX Invest it sits in the UGC Limited Face Accessories, Limiteds under 100 Copies, Limiteds under 1,000 Copies, Limiteds under 10,000 R$ collections. The RAP, reseller listings, and copy counts on this page refresh from Roblox continuously, so the figures above are the state of the market at the last update rather than a fixed snapshot.