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842,706gp
825,812gp
16,894gp
+40gp
—
—
Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 825,812
- 30D high
- 842,706
- Volatility
- 2.0%
Flip calculator
Includes the 2% Grand Exchange tax
+40gp
+40 per item · +0.00% ROI
- Capital required
- 825,812 gp
- Gross revenue
- 842,706 gp
- GE tax (2%, 16,854/item)
- − 16,854 gp
- Break-even sell
- 842,665 gp
Item data
- High alchemy
- 1,800 gp99.8% below market
- Low alchemy
- 1,200 gp
- Shop value
- 3,000 gp
- Weight
- 10 kg
- Skill / type
- Head
- Stack / note
- Not stackable · noteable
- Released
- Jul 4, 2006
About Black mask (10)
The Black mask (10) is a members-only piece of equipment in Old School RuneScape.
"A magic cave horror mask"
Over the last 30 days it traded between 839,445 and 1,259,493 gp on the Grand Exchange, averaging 1,003,174 gp. About 409 units changed hands per day. The price is down 6.2% across that window. The Grand Exchange buy limit is 70 every 4 hours. Selling one at the average price costs 20,063 gp in Grand Exchange tax.
Casting High Level Alchemy returns 1,800 gp, which is 99.8% below the 30-day average price, so alching a bought one loses money.
How to get Black mask (10)
Only Cave abomination (1/512) and Cave horror (1/512) drop Black mask (10).
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Cave abomination | 1/512 | 1 |
| Cave horror | 1/512 | 1 |
Black mask (10) price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 1,007,099 | 839,445 | 1,190,097 | 5,236 |
| September 2026 | 936,902 | 814,843 | 1,259,493 | 11,653 |
| August 2026 | 892,367 | 718,135 | 1,411,226 | 21,758 |
| July 2026 | 1,508,228 | 1,409,816 | 1,632,263 | 14,125 |
| June 202621d | 1,310,236 | 1,176,404 | 1,496,217 | 9,221 |
| May 20262d | 1,150,504 | 1,103,906 | 1,197,101 | 686 |
| April 20261d | 1,113,271 | 1,113,271 | 1,113,271 | 159 |
| March 2026 | 956,083 | 852,802 | 1,030,651 | 19,367 |
| February 2026 | 818,739 | 780,362 | 855,329 | 16,376 |
| January 2026 | 765,671 | 728,484 | 797,064 | 17,856 |
Across 10 months of recorded prices Black mask (10) ranged from 718,135 gp in August 2026 to 1,632,263 gp in July 2026, measured over 218 trading days.
The 30-day average of 1,003,174 gp sits in the lower third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
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