Is this a rare find for Pop collectors?

Yes, with only 1 copy listed, this 1984 Canyon release is a relatively rare find for Pop collectors.

What format is this record in?

This item is available on Vinyl, specifically a 7" format.

The record was originally released in 1984.

Name: 松原みき* – Knock, Knock, My Heart (Vinyl, 7")
Brand: 松原みき*

Pop

What Knock, Knock, My Heart by 松原みき* is worth on the used market.

松原みき* value — Discogs floor $21.69. Prices updated June 2026.

Label · CanyonFormat · Vinyl, 7"Genre · Pop

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Price data verified against · 1

Knock, Knock, My Heart by 松原みき* (1984) on Vinyl, 7". The Discogs marketplace floor is $21.69 with 1 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	$21.69	eBay sold comps

Is this a rare find for Pop collectors?: Yes, with only 1 copy listed, this 1984 Canyon release is a relatively rare find for Pop collectors.
What format is this record in?: This item is available on Vinyl, specifically a 7" format.
What is the original release year?: The record was originally released in 1984.