What is the current market value for this cassette?

The Discogs floor price for Petra's "On Fire" is currently $2.11.

There are 6 copies of this cassette currently listed for sale on the marketplace.

What year was this album released?

Petra's "On Fire" cassette album was released in 1988.

Name: Petra (9) – On Fire (Cassette, Album)
Brand: Petra (9)

Rock

What On Fire by Petra (9) is worth on the used market.

Petra (9) value — Discogs floor $2.11. Prices updated June 2026.

Label · Star SongFormat · Cassette, AlbumGenre · Rock

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Price data verified against · 1

On Fire by Petra (9) (1988) on Cassette, Album. The Discogs marketplace floor is $2.11 with 6 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	$2.11	eBay sold comps

What is the current market value for this cassette?: The Discogs floor price for Petra's "On Fire" is currently $2.11.
Is this album rare?: There are 6 copies of this cassette currently listed for sale on the marketplace.
What year was this album released?: Petra's "On Fire" cassette album was released in 1988.