Mercenary grade·Rainy Day Cosmetics Collection
Head Mounted Double Observatory
Head Mounted Double Observatory is a Mercenary-grade cosmetic from Rainy Day Cosmetics Collection. There is no lower-grade trade-up route to this item within its collection.
Head Mounted Double Observatory prices
A buy order is what a buyer offers you; a sell listing is what you pay. These are saved observations, not reserved stock. Unusual variants are excluded; a quality option does not guarantee market availability. How to compare buy/sell prices and convert keys to refined.
backpack.tf: Requesting a price check…
Steam: Steam pricing is temporarily paused. Prices use backpack.tf only.
| Market | Highest eligible buy order | Lowest eligible sell listing |
|---|---|---|
| backpack.tfClean bot quotes · keys / refined | 2.77 refSaved eligible quote | 2.88 refSaved eligible quote |
Saved data reloads every 30 seconds. Each quote’s timestamp shows its actual check time. Queued checks are not completed checks, and expired prices remain reference-only.
Using Head Mounted Double Observatory as a trade-up input
Head Mounted Double Observatory has no lower-grade recipe within Rainy Day Cosmetics Collection. Its trade-up role is as a Mercenary input: ten compatible items from this collection produce one of 5 Commando results, each at 20.00%.
Compare its sell listing with the other Mercenary inputs in this collection. A more expensive item does not improve those single-collection odds. Ten copies at the displayed price are a cost estimate, not proof that ten copies are in stock. Keep all ten inputs Non-Strange.
For profitability, value every possible output using eligible backpack.tf buy orders. Missing or stale output prices leave profitability unconfirmed; do not treat them as zero. Compare saved quotes above, then check all possible outputs and load the recipe.
How to trade up to Head Mounted Double Observatory
Rainy Day Cosmetics Collection has no recorded items at the grade immediately below Mercenary. There is no within-collection trade-up recipe to Head Mounted Double Observatory; adding items from a different collection cannot create that missing input tier. See the collection guide for its contents and source.
What can Head Mounted Double Observatory trade up into?
Ten compatible Mercenary items from Rainy Day Cosmetics Collection produce one of 5 Commando outputs, each with 20.00% probability. You can use ten copies of Head Mounted Double Observatory or mix items from its tier, keeping all ten Non-Strange.
Archer's Sterling
Commando · 20.00%
Down Under Duster
Commando · 20.00%
Hawk-Eyed Hunter
Commando · 20.00%
Messenger's Mail Bag
Commando · 20.00%
Pocket Pauling
Commando · 20.00%
Calculator links open research recipes, not purchases. Availability, compatible variants, fees and price changes affect results; positive expected value does not guarantee profit.