Casket

For other uses, see Casket (disambiguation).

Casket
Released							27 February 2002 (Update)
Members							Yes
Quest item							No
Properties
Tradeable							Yes
Equipable							No
Stackable							No
Noteable							Yes
Options							Open
Destroy							Drop
Examine							I hope there's treasure in it.
Values
Value							50 coins
High alch							30 coins
Low alch							20 coins
Weight							5 kg
Grand Exchange
Exchange							1,005 coins (info)
Buy limit							50
Daily volume							2,153
View real-time prices
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Advanced data
Item ID							405

A casket is an item occasionally dropped by NPCs and monsters that are near oceans or bodies of water. It can also be obtained via big net fishing, at a rate of about 1/50. It can be opened to receive a small amount of treasure. Wearing a skills necklace with at least one charge while big net fishing will slightly increase the chance of finding a casket.

Methods of obtaining

• Found via big net fishing.
• Dropped by monsters such as Dagannoths, Rock Crabs, Sand Crabs, and Ammonite Crabs.
• Possible reward from opening a mystery box from the Quiz Master random event.
• Received as a reward from allocating workers to fishing in Managing Miscellania

Rewards

Drop rates estimated based on 579,934 samples from the Drop Rate Project, unless otherwise cited. The average casket opening is worth 496.64.

Coins

	Item	Quantity	Rarity	Price	High Alch
	Coins	20	10/128	20	20
	Coins	40	10/128	40	40
	Coins	80	10/128	80	80
	Coins	160	10/128	160	160
	Coins	320	10/128	320	320
	Coins	640	10/128	640	640

Gems

	Item	Quantity	Rarity	Price	High Alch
	Uncut sapphire	1	32/128	267	15
	Uncut emerald	1	16/128	468	30
	Uncut ruby	1	8/128	1,037	60
	Uncut diamond	1	2/128	2,470	120

Other

	Item	Quantity	Rarity	Price	High Alch
	Cosmic talisman	1	8/128	166	2
	Loop half of key	1	1/128	9,945	60
	Tooth half of key	1	1/128	10,429	60

Item sources

For an exhaustive list of all known sources for this item, see here.

Source	Level	Quantity	Rarity
Ammonite Crab	25	1	1/128
Barrel (Viyeldi caves)	N/A	1	Uncommon
Dagannoth (Waterbirth Island) Level 88	88	1	5/128
Dagannoth	74; 92	1	1/128
Fishing spot (big net, harpoon)	16	1	Rare
Giant Rock Crab	137	1	2/128
Giant Sea Snake	149	1	2/128
Giant lobster	45	1	1/128
King Sand Crab	107	1	2/128
Mummy Ancient Pyramid	96; 103	1	3/513
Mystery box Members	N/A	1	1/15
Mystery box Entrana	N/A	1	1/15
River troll	14–159	1	5/128
Rock Crab	13	1	1/128
Sand Crab	15	1	1/128
Sarcophagus (Ancient Pyramid)		1	Rare
Sea Snake Hatchling	62	1	1/128
Sea Snake Young	90	1	1/128
Swamp Crab	55	1	1/128