How much is AI #9/10: Hinlay Birthday worth? Price and value
As of October 19, 2026, AI #9/10: Hinlay Birthday is worth about 99 Robux, its Recent Average Price (RAP), and the cheapest copy for sale is priced at 55 Robux. Across the 350 owned copies, its estimated market value is 34,650 Robux.
That puts the cheapest copy 44% below RAP. RAP averages recent completed sales, so a listing under it means sellers are currently asking less than the item has been trading for.
How rare is AI #9/10: Hinlay Birthday?
AI #9/10: Hinlay Birthday is a UGC Limited Shoulder Accessory with 350 total copies. It is sold out at the original price, so copies now trade only on the resale market. It originally sold for 55 Robux.
At 99 Robux, RAP sits 1.8x the 55 Robux it first sold for.
AI #9/10: Hinlay Birthday has 116 favorites on the Roblox catalog.
AI #9/10: Hinlay Birthday sales history
RBX Invest has recorded 489 sales of AI #9/10: Hinlay Birthday across 100 trading days, from Jul 26, 2023 to Oct 4, 2026.
Sales here include copies bought from the creator’s original stock as well as resales between players. Free promotional claims are not counted.
Its highest daily average sale price was 250 Robux on Sep 21, 2024, and its lowest was 35 Robux on Jul 26, 2023.
By calendar year, its average sale price went from 45 Robux in 2023 to 86 Robux in 2026, up 91%.
| Month | Average sale price | Sales |
|---|---|---|
| Oct 2026 | 55 R$ | 1 |
| Sep 2026 | 55 R$ | 3 |
| Aug 2026 | 55 R$ | 5 |
| Mar 2026 | 180 R$ | 1 |
| Feb 2026 | 200 R$ | 1 |
| Jan 2026 | 160 R$ | 1 |
| Oct 2025 | 159 R$ | 1 |
| Sep 2025 | 200 R$ | 1 |
| Aug 2025 | 199 R$ | 1 |
| Jul 2025 | 150 R$ | 1 |
| May 2025 | 175 R$ | 2 |
| Apr 2025 | 175 R$ | 2 |
Did AI #9/10: Hinlay Birthday make money for release buyers?
AI #9/10: Hinlay Birthday sold out of its original stock on its first day of sales, Jul 26, 2023. Copies could be resold from Aug 25, 2023, once Roblox's 30-day resale lock ended.
For someone who bought at the original 55 Robux, the best return per day held came from reselling about 211 days after release, when copies were selling for around 154 Robux. That works out to roughly 22 Robux profit per copy after Roblox's cut.
Holding longer paid more in total: the most profitable point in its first year came 317 days after release, at about 25 Robux per copy.
About AI #9/10: Hinlay Birthday
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How to get AI #9/10: Hinlay Birthday
AI #9/10: Hinlay Birthday is no longer sold by the creator, so the way to get it is to buy a copy from a reseller on Roblox. The cheapest is listed at 55 Robux.
AI #9/10: Hinlay Birthday is Roblox asset ID 14194525759. It was published by Miner79954. On RBX Invest it sits in the UGC Limited Shoulder Accessories, Limiteds under 1,000 Copies, Cheap Limiteds under 100 R$, Limiteds under 500 R$ collections. The RAP, reseller listings, and copy counts on this page refresh from Roblox continuously, so the figures above are the state of the market at the last update rather than a fixed snapshot.