Compare / iron set
Live · checked today · 4 UK retailers tracked
John Letters Mm-Forged Prototype Iron Set vs Wilson Staff D9 Iron Set
Quick verdict
Checked daily across 4 UK retailers
Price and availability verdict
John Letters Mm-Forged Prototype Iron Set is currently £99.99 used, while Wilson Staff D9 Iron Set is currently £349 used. Against tracked history, John Letters Mm-Forged Prototype Iron Set is at its lowest tracked price and Wilson Staff D9 Iron Set is at its lowest tracked price. Both are currently available from 2 UK retailers.
John Letters
John Letters Mm-Forged Prototype Iron Set
from £99.99
at The Second Hand Golf Shop · 2 retailers
Lowest £100 · lowest price we’ve seen
Wilson
Wilson Staff D9 Iron Set
from £349
at Preowned Golf · 2 retailers
Lowest £250 · below its usual price
Discount vs RRP
Price vs usual
Where to buy
John Letters Mm-Forged Prototype Iron Set
Where to buy
Wilson Staff D9 Iron Set
Deal intelligence
Should you buy now, or wait?
John Letters · Mm-Forged Prototype Iron Set
Not enough data yet
Wilson · Staff D9 Iron Set
Not enough data yet
Today £266.66 · usual £479 · lowest £266.66
On sale 2 times in the last 4 months
Head to head
Category leaders, from the data on this page
- Cheapest new Mm-Forged Prototype £99.99 vs £349
- Cheapest used Mm-Forged Prototype from £99.99 vs £349
Price trajectory
How each has moved since we started tracking
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.
Wilson · Staff D9 Iron Set
↓ £212.34
since 21 February 2026
Lowest £266.66 on 28 July 2026
New vs used
From used listings we track
John Letters · Mm-Forged Prototype Iron Set
NEW £99.99
USED FROM £99.99
Wilson · Staff D9 Iron Set
NEW £349
USED FROM £349
Availability by build
Which configurations are in stock right now
| Build | John Letters Mm-Forged Prototype Iron Set | Wilson Staff D9 Iron Set |
|---|---|---|
| Stiff · Used | 2 retailers · from £99.99 at The Second Hand Golf Shop → | 1 retailer · from £349.99 at Nearly New Golf Clubs → |
| Regular · Used | — | 2 retailers · from £349 at Preowned Golf → |
Waiting for a better price?
Set a free alert and we’ll email you when either drops to your target.
Related iron set comparisons
More head-to-head price checks
Common questions about the John Letters Mm-Forged Prototype Iron Set vs Wilson Staff D9 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.