# Underground Idol Debut Ruby ([OSHI NO KO]) — resale value

**Underground Idol Debut Ruby ([OSHI NO KO])** is worth about **$0.18**, based on real closed eBay sales. Sealed or new examples sell for around **$0.5**.

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Market | $0.18 |
| Low | $0.10 |

Values are medians of real closed eBay sales, updated 2026-07-25. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DWeiss%2520Schwarz%2520Underground%2520Idol%2520Debut%2520Ruby%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DWeiss%2520Schwarz%2520Underground%2520Idol%2520Debut%2520Ruby%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

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## Details

| Field | Value |
| --- | --- |
| Brand | Weiss Schwarz |
| Set | [OSHI NO KO] |
| Rarity | Rare |
| Number | #OSK/S107-E039 R |

## Underground Idol Debut Ruby ([OSHI NO KO]) value

The Underground Idol Debut Ruby from **[OSHI NO KO]** (Weiss Schwarz) #OSK/S107-E039 R has a TCGPlayer market price of **$0.18**. Rarity: Rare.

### What drives the price

For Weiss Schwarz singles, set, rarity, printing (normal/foil/alt-art), and competitive demand drive value. Chase rares, alt-arts, and first-print foils command the biggest premiums.

## FAQ

**What is the current market value for this card?**

The current market price for the Underground Idol Debut Ruby is $0.18, with a low value listed at $0.10.

**Is this card rare in the set?**

Yes, this card is listed with the Rarity designation of Rare within the [OSHI NO KO] set.

**What is the specific card number?**

The card number for this item is #OSK/S107-E039 R.

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Full price guide: https://junkpal.ai/products/underground-idol-debut-ruby-578665-tcg
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-25, based on real sold listings (junkpal.ai)"