# Dennis Brown — resale value

Source: JunkPal price guide — https://junkpal.ai/products/dennis-brown-concentration-vers-2-i-didn-t-know-vers-1-3569074

**Dennis Brown** — resale value from real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/dennis-brown-concentration-vers-2-i-didn-t-know-vers-1-3569074

Values are medians of real closed eBay sales, updated 2026-06-18. 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%3DDennis%2520Brown%2520Concentration%2520I%2520Didn't%2520Know%2520vinyl%25207%2520inch%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%3DDennis%2520Brown%2520Concentration%2520I%2520Didn't%2520Know%2520vinyl%25207%2520inch%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 | Dennis Brown |
| Format | Vinyl, 7" |
| Released | 1977 |
| Label | Trojan Records |
| Genre | Reggae |
| Copies for sale | 0 |

## Dennis Brown – Concentration (Vers.2) / I Didn't Know (Vers.1) resale value

**Concentration (Vers.2) / I Didn't Know (Vers.1)** by Dennis Brown (1977) on Vinyl, 7". The Discogs marketplace floor is null with 0 copies currently for sale.

### What drives the price

Pressing, country, and condition (media + sleeve) move vinyl/CD values the most — first pressings and clean copies command a premium.

## FAQ

**Is this a rare find for Reggae collectors?**

Yes, this 1977 Trojan Records release is a specific piece of Reggae history that collectors will value.

**What is the format of this Dennis Brown record?**

It is available in the 7-inch vinyl format.

**Which label released this 1977 pressing?**

This record was released on Trojan Records.

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Full price guide: https://junkpal.ai/products/dennis-brown-concentration-vers-2-i-didn-t-know-vers-1-3569074
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-18, based on real sold listings (junkpal.ai)"