Four Knocks (Doctor Who) — Market vs Foil: which is worth more?
Four Knocks (Doctor Who) value — Market $1.24 vs Foil $2.49. Foil sells for 2.01× Market (+101%). Prices updated September 2026.
Medians of real sold listings per condition, updated September 2026 — how we compute values.
Market vs Foil
$1.24→$2.49
Foil sells for 2.01× (+101%) the Market price — a $1.25 difference per card.
Is complete worth it?
Foil $2.49 vs Market $1.24 — a $1.25 premium (+101%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.
Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).