David Isaacs – Knock Three Times / You'll Be Sorry (Vinyl, 7")
ReggaeWhat Knock Three Times / You'll Be Sorry by David Isaacs is worth on the used market.
David Isaacs value — Discogs floor $8. Prices updated June 2026.
Label · Upsetter RecordsFormat · Vinyl, 7"Genre · Reggae
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Item details
- Brand
- David Isaacs
- Format
- Vinyl, 7"
- Released
- 1971
- Label
- Upsetter Records
- Genre
- Reggae
- Copies for sale
- 8
David Isaacs – Knock Three Times / You'll Be Sorry resale value
Knock Three Times / You'll Be Sorry by David Isaacs (1971) on Vinyl, 7". The Discogs marketplace floor is $8.00 with 8 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.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Discogs floor | $8 | eBay sold comps |
Frequently asked questions
- Is this vinyl still considered a good investment?
- At the $8.00 floor price, this 1971 Reggae release offers good value for collectors.
- What is the original release year of this record?
- David Isaacs' "Knock Three Times" was originally released in 1971.
- How many copies of this 7" vinyl are currently for sale?
- There are currently 8 copies of this Reggae vinyl available for purchase.
