---
title: "Grum Jak — Roblox UGC Limited"
description: "Grum Jak is a Roblox UGC Limited (Hat) by Lums & Co. UGC. RAP 772 R$."
url: "https://rbxinvest.com/item/14808177823"
type: "roblox-limited-item"
asset_id: "14808177823"
item_type: "ugc_limited"
asset_type: "Hat"
creator: "Lums & Co. UGC"
creator_id: "16988154"
rap: 772
lowest_resale_price: 800
original_price: 0
total_quantity: 328
copies_remaining: 13
sales_30d: 0
created_on: "2023-09-17"
currency: "ROBUX"
data_as_of: "September 16, 2026"
source: "RBX Invest"
---

# Grum Jak

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Grum Jak is a Roblox UGC Limited hat by Lums & Co. UGC. 13 of 328 original copies are still on sale from the creator, about 96% of the stock claimed. It was originally on sale for free. Resale listings start at 800 R$, about 4% above its RAP of 772 R$. RBX Invest has tracked no sales of it in the past 30 days. It was created on Roblox on Sep 17, 2023. Lums & Co. UGC is a Roblox group rather than an individual user. RAP is Recent Average Price, the Roblox-published rolling average of recent sale prices. Figures as of September 16, 2026.

| Field | Value |
| --- | --- |
| RAP | 772 R$ |
| Lowest resale | 800 R$ |
| Original price | 0 R$ |
| Total quantity | 328 |
| Original copies remaining | 13 |
| Sales (last 30 days) | 0 |
| Created on Roblox | Sep 17, 2023 |
| Favorites | 716 |
| Item type | UGC Limited |
| Category | Hat |
| Creator | Lums & Co. UGC |

## Item description

This is the description text Roblox carries for the item, quoted verbatim:

> "I am become Grum."
> Grum Jak by acidpurewarrio_r
> This item was obtained by owning the Grummy Gift. No new copies are available.

## Collections this item belongs to

- [UGC Limited Hats — Prices, RAP & Rarity of Every Tradable Hat](https://rbxinvest.com/collections/ugc-limited-hats) (HTML only)
- [Roblox Limiteds under 1,000 Copies — Scarce but Tradable](https://rbxinvest.com/collections/limiteds-under-1000-copies) (HTML only)
- [Roblox Limiteds under 1,000 Robux — Mid-Tier Price List](https://rbxinvest.com/collections/limiteds-under-1000) (HTML only)
- [Roblox Limiteds under 10,000 Robux — The Investment Tier](https://rbxinvest.com/collections/limiteds-under-10000) (HTML only)

## More Limiteds by Lums & Co. UGC

- [Green Glowing Smile — RAP 3,883 R$](https://rbxinvest.com/item/14255999542.md)
- [Yellow Glowing Smile — RAP 2,381 R$](https://rbxinvest.com/item/14449811346.md)
- [Red Glowing Smile — RAP 2,316 R$](https://rbxinvest.com/item/14136204640.md)
- [Classic Skybox Crown — RAP 2,172 R$](https://rbxinvest.com/item/13703747281.md)
- [Deer Helm — RAP 1,390 R$](https://rbxinvest.com/item/16201675986.md)
- [Duse Helm — RAP 1,272 R$](https://rbxinvest.com/item/15952776370.md)
- [Classic Skybox Crown: Night — RAP 1,034 R$](https://rbxinvest.com/item/14067299795.md)
- [Doom Helm — RAP 987 R$](https://rbxinvest.com/item/15975255673.md)
- [Canny Crown — RAP 795 R$](https://rbxinvest.com/item/14607847538.md)
- [Admiral Frozen Sword of Ice — RAP 723 R$](https://rbxinvest.com/item/15962038805.md)
- [Admiral Fiery Sword of Magma — RAP 678 R$](https://rbxinvest.com/item/15962031871.md)
- [Classic Skybox Crown: Uncanny — RAP 615 R$](https://rbxinvest.com/item/13771977883.md)

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- [Coach Reindeer Onesie — RAP 1,000 R$](https://rbxinvest.com/item/92635083950118.md)
- [Emissive Wings Of Neon Raveborn — RAP 1,000 R$](https://rbxinvest.com/item/79404813334234.md)
- [Summer Gold Chain — RAP 1,000 R$](https://rbxinvest.com/item/91403663452034.md)
- [Crown of Blue — RAP 1,000 R$](https://rbxinvest.com/item/15379814710.md)
- [Dark Snowflake Backpack (1.0) — RAP 1,000 R$](https://rbxinvest.com/item/16598078544.md)

## Related pages

- [Lums & Co. UGC — full catalog](https://rbxinvest.com/creator/16988154.md)
- [Roblox Limiteds leaderboard](https://rbxinvest.com/items.md)
- [Browse Limiteds by category, price, and rarity](https://rbxinvest.com/collections) (HTML only)

---

Source: [RBX Invest](https://rbxinvest.com/item/14808177823) — independent Roblox Limited analytics, not affiliated with Roblox Corporation. RAP and reseller figures are read from Roblox and refreshed continuously; treat them as recent, not live.