What is the approximate current market value for this record?

The Discogs floor price for this 1977 Trojan Rockers vinyl is currently listed at $4.07.

Is this a common or rare find for Reggae collectors?

With 12 copies for sale, it is reasonably available, though its vintage 1977 release adds to its appeal.

This pressing is available on a 7" Vinyl format from the Trojan Rockers label.

Name: Thunderball (3) – My Twenty Eight (Vinyl, 7")
Brand: Thunderball (3)

Reggae

What My Twenty Eight by Thunderball (3) is worth on the used market.

Thunderball (3) value — Discogs floor $4.07. Prices updated June 2026.

Label · Trojan RockersFormat · Vinyl, 7"Genre · Reggae

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My Twenty Eight by Thunderball (3) (1977) on Vinyl, 7". The Discogs marketplace floor is $4.07 with 12 copies currently for sale.

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

What this actually trades for — sold values by condition vs. what sellers are asking today

Condition	Value	Based on
Discogs floor	$4.07	eBay sold comps

What is the approximate current market value for this record?: The Discogs floor price for this 1977 Trojan Rockers vinyl is currently listed at $4.07.
Is this a common or rare find for Reggae collectors?: With 12 copies for sale, it is reasonably available, though its vintage 1977 release adds to its appeal.
What format is this specific pressing of Thunderball (3)?: This pressing is available on a 7" Vinyl format from the Trojan Rockers label.