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Live · checked today · 3 UK retailers tracked

John Letters Mm-Forged Prototype Iron Set vs Mizuno JPX 923 HOT Metal HL Iron Set

Watch this matchup

Quick verdict

Checked daily across 3 UK retailers

Price and availability verdict

John Letters Mm-Forged Prototype Iron Set is currently £99.99 used, while Mizuno JPX 923 HOT Metal HL Iron Set is currently £479.99 used. Against tracked history, John Letters Mm-Forged Prototype Iron Set is at its lowest tracked price and Mizuno JPX 923 HOT Metal HL Iron Set is 64% above its lowest tracked price. John Letters Mm-Forged Prototype Iron Set is currently available from 1 UK retailer, versus 2 for Mizuno JPX 923 HOT Metal HL Iron Set.

View Mm-Forged Prototype Iron Set details → View JPX 923 HOT Metal HL Iron Set details →
Lowest price new → Mm-Forged Prototype Cheapest used → Mm-Forged Prototype Most retailers → JPX 923 HOT Metal HL
John Letters Mm-Forged Prototype Iron Set

John Letters

John Letters Mm-Forged Prototype Iron Set

from £99.99

at The Second Hand Golf Shop · 1 retailer

Lowest £100 · lowest price we’ve seen

Mizuno JPX 923 HOT Metal HL Iron Set

Mizuno

Mizuno JPX 923 HOT Metal HL Iron Set

from £479.99

at Mega Golf · 2 retailers

Lowest £480 · lowest price we’ve seen

Discount vs RRP

n/a
20% off

Price vs usual

Lowest price we’ve seen
Lowest price we’ve seen

Where to buy

John Letters Mm-Forged Prototype Iron Set

Buy at The Second Hand Golf Shop →See price history & full details →

Where to buy

Mizuno JPX 923 HOT Metal HL Iron Set

Buy at Mega Golf →See price history & full details →

Deal intelligence

Should you buy now, or wait?

John Letters · Mm-Forged Prototype Iron Set

—

Not enough data yet

Used from £99.99

Mizuno · JPX 923 HOT Metal HL Iron Set

—

Not enough data yet

Today £899 · typical £869 · lowest £549

On sale 2 times in the last 3 months

Used from £479.99

Head to head

Category leaders, from the data on this page

  • Cheapest new Mm-Forged Prototype £99.99 vs £479.99
  • Most retailers in stock JPX 923 HOT Metal HL 2 vs 1
  • Cheapest used Mm-Forged Prototype from £99.99 vs £479.99

Price trajectory

How each has moved since we started tracking

John Letters Mm-Forged Prototype Iron Set Mizuno JPX 923 HOT Metal HL Iron Set

Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.

Mizuno · JPX 923 HOT Metal HL Iron Set

↑ £30

since 21 February 2026

Lowest £549 on 13 March 2026

New vs used

From used listings we track

John Letters · Mm-Forged Prototype Iron Set

NEW £99.99

USED FROM £99.99

Mizuno · JPX 923 HOT Metal HL Iron Set

NEW £479.99

USED FROM £479.99

Availability by build

Which configurations are in stock right now

Build John Letters Mm-Forged Prototype Iron Set Mizuno JPX 923 HOT Metal HL Iron Set
Stiff · Used 1 retailer · from £99.99 at The Second Hand Golf Shop → 1 retailer · from £549.99 at Nearly New Golf Clubs →
Regular · Used — 1 retailer · from £479.99 at Mega Golf →
new in stock used only — not seen at tracked retailers

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Frequently Asked

Common questions about the John Letters Mm-Forged Prototype Iron Set vs Mizuno JPX 923 HOT Metal HL Iron Set

Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.