Is this Slipper (4) release rare?

Yes, this 2019 release is self-released by Slipper (4) and currently shows 0 copies for sale, suggesting limited availability.

What is the format of this album?

The album is available in the FLAC file format.

Aphelion was self-released by Slipper (4) and was released in 2019.

Name: Slipper (4) – Aphelion (File, FLAC)
Brand: Slipper (4)

Jazz

What Aphelion by Slipper (4) is worth on the used market.

Label · Not On Label (Slipper (4) Self-released)Format · File, FLACGenre · Jazz

Used

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New / Sealed

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Price data verified against · 1

Aphelion by Slipper (4) (2019) on File, FLAC. The Discogs marketplace floor is null with 0 copies currently for sale.

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

Is this Slipper (4) release rare?: Yes, this 2019 release is self-released by Slipper (4) and currently shows 0 copies for sale, suggesting limited availability.
What is the format of this album?: The album is available in the FLAC file format.
Who released the Aphelion album?: Aphelion was self-released by Slipper (4) and was released in 2019.