canonical product

Callaway Great Big Bertha 23

Single Iron · Ultra Game Improvement

12
live listings · 1 retailers: $80–$97
asking range: $88
fair, all conditions · 8 comps: ~$106 · 10d
clears at · 6 organic delists (180d) · delisted ≠ sold

buy now or wait?BUY

The value curve is flat — waiting buys you almost nothing.

≈ $0/mo depreciation (model)clears ≈ $106 (measured · delisted ≠ sold)

copies that clear organically do so quickly (measured) — good examples don't linger.

forecast: product evidence · verdict recomputed nightly

What it has been selling for

monthly medians since 2026-02

monthly median ask · open points are sparse months (<8 observation days) drawn as facts, never interpolated — the line knits itself in as nightly snapshots accumulate

Value over time

value model, curve fit on this product · 108 obs

$64–$110
typically sells for: −1%/yr
value trend: 103%
held over 3 yrs

median model value by product age, 80% band — about 1 in 5 sales lands outside it · rebuilt nightly

Fair price by condition

Average6 comps: $88

own one? check what it's worth →

Live listings

cheapest first · 12 live

Callaway Great Big Bertha 23 Single Iron 7 Iron Nippon NS Pro 850GH Neo Steel Regular Right Handed 37.0in

AverageRegular2nd Swing

$80

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Helium Nanocore IP 60 Graphite Senior Right Handed 37.0in

Above AverageSenior2nd Swing

$80

Callaway Great Big Bertha 23 Single Iron 7 Iron Nippon NS Pro 850GH Neo Steel Regular Right Handed 37.0in

AverageRegular2nd Swing

$80

Mint Callaway Great Big Bertha 23 Single Iron 7 Iron UST Helium Nanocore IP 60 Graphite Regular Right Handed 37.0in

MintRegular2nd Swing

$83

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Mamiya Helium Nanocore 60i IP Finish Graphite Senior Right Handed 37.0in

AverageSenior2nd Swing

$88

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Mamiya Helium Nanocore 60i IP Finish Graphite Regular Right Handed 37.0in

AverageRegular2nd Swing

$88

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Mamiya Helium Nanocore 60i IP Finish Graphite Senior Left Handed 37.0in

AverageSeniorLH2nd Swing

$88

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Mamiya Helium Nanocore 60i IP Finish Graphite Regular Right Handed 37.0in

AverageRegular2nd Swing

$88

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Mamiya Helium Nanocore 60i IP Finish Graphite Senior Right Handed 37.0in

AverageSenior2nd Swing

$88

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Mamiya Helium Nanocore 50i IP Finish Graphite Ladies Right Handed 36.0in

AverageLadies2nd Swing

$88

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Mamiya Helium Nanocore 60i IP Finish Graphite Regular Right Handed 37.0in

AverageRegular2nd Swing

$88

Callaway Great Big Bertha 23 Single Iron 7 Iron UST Mamiya Helium Nanocore 60i IP Finish Graphite Regular Right Handed 37.0in

Above AverageRegular2nd Swing

$97