Is this record rare because it's by an unknown artist?

Yes, the "Unknown Artist" designation combined with the 1984 release date contributes to its collectible nature.

What is the format of this music release?

This item is available on Vinyl in a 7-inch format.

The record was released in 1984.

Name: Unknown Artist – Tupperware-April 1984 (Vinyl, 7")
Brand: Unknown Artist

Pop

What Tupperware-April 1984 by Unknown Artist is worth on the used market.

Label · Not On LabelFormat · Vinyl, 7"Genre · Pop

Used

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New / Sealed

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Tupperware-April 1984 by Unknown Artist (1984) on Vinyl, 7". 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 record rare because it's by an unknown artist?: Yes, the "Unknown Artist" designation combined with the 1984 release date contributes to its collectible nature.
What is the format of this music release?: This item is available on Vinyl in a 7-inch format.
When was this Tupperware record originally released?: The record was released in 1984.