Gielinor's Ledger
Penguin mask

Penguin mask

Thankfully this doesn't reset every week.

MembersBuy limit 4Armour & WearablesHead
Insta-buy

12,638gp

Insta-sell

26,727gp

Spread

-14,089gp

-52.71%
Margin

-14,341gp

-53.66% ROI
Volume

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Trend

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Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread
30D low
12,638
30D high
26,727
Volatility
71.6%

Flip calculator

Includes the 2% Grand Exchange tax

gp
gp
units
Net profitLoss

-14,341gp

-14,341 per item · -53.66% ROI

Tax puts break-even at 27,272 gp.

Capital required
26,727 gp
Gross revenue
12,638 gp
GE tax (2%, 252/item)
− 252 gp
Break-even sell
27,272 gp

Item data

High alchemy
720 gp94.3% below market
Low alchemy
480 gp
Shop value
1,200 gp
Weight
1.814 kg
Skill / type
Head
Stack / note
Not stackable · noteable
Released
Jun 12, 2014

About Penguin mask

The Penguin mask is a members-only piece of equipment in Old School RuneScape.

"Thankfully this doesn't reset every week"

Over the last 30 days it traded between 16,256 and 23,654 gp on the Grand Exchange, averaging 19,755 gp. About 43 units changed hands per day. The Grand Exchange buy limit is 4 every 4 hours. Selling one at the average price costs 395 gp in Grand Exchange tax.

Casting High Level Alchemy returns 720 gp, which is 96.4% below the 30-day average price, so alching a bought one loses money.

How to get Penguin mask

Only Reward casket (medium) (1/1,133) drops Penguin mask.

Dropped by

MonsterRarityQuantity
Reward casket (medium)1/1,1331

Penguin mask price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Penguin mask on the Grand Exchange
MonthAverageLowHighVolume
October 202612d18,53316,79322,383606
September 202625,01816,25636,2081,158
August 202630,17719,04355,8911,236
July 202622,93712,63335,5441,226
June 202621d16,21710,98731,6853,689
May 20262d12,64411,25514,03249
April 20261d13,38713,38713,38714
March 202612,2646,83121,60316,647
February 20267,3314,25510,64616,092
January 20264,6132,4608,94916,006

Across 10 months of recorded prices Penguin mask ranged from 2,460 gp in January 2026 to 55,891 gp in August 2026, measured over 218 trading days.

The 30-day average of 19,755 gp sits in the lower third of that range.

All prices in gp. Volume counts units traded across both sides of the Grand Exchange.