Four Knocks (Doctor Who) — Market vs Foil: which is worth more?
Four Knocks (Doctor Who) value — Market $0.82 vs Foil $1.15. Foil sells for 1.4× Market (+40%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$0.82→$1.15
Foil sells for 1.4× (+40%) the Market price — a $0.33 difference per card.
Is complete worth it?
Foil $1.15 vs Market $0.82 — a $0.33 premium (+40%). 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).