pophunter.

All product names, logos, brands, and trademarks are property of their respective owners, and are used for identification purposes only. PopHunter is not affiliated with, endorsed by, or sponsored by The Pokémon Company, Wizards of the Coast, Konami, Bandai, Ravensburger, Disney, Riot Games, or any other game publisher or grading company.

PopHunter provides market data and analytics, not financial or investment advice.

© 2026 PopHunter

Scanner Markets Portfolio Watchlist Sign in

John Orton Base #191 · Leaf (1991) | PopHunter

←Back to Baseball dashboard

Front

John Orton

Base

Leaf · #191 · 1991

eBaySearch Sold comps

PSA 10 $

—

PSA 10 Pop

—

Gem Rate

—

30D Change

—

Market data as of Jun 14, 2026

Opportunity

56.0

Collector

Collector score — upgrade to unlock

88.8

Collector to unlockUpgrade

Investor

Investor score — upgrade to unlock

88.8

Investor to unlockUpgrade

Speculation

Speculation score — upgrade to unlock

88.8

Investor to unlockUpgrade

See pricing to unlock Collector, Investor & Speculation scores

How this score is calculated

Opportunity Score

56.0

8 weighted signals

Scarcity20%

50

Demand15%

50

Value Gap15%

70

Sales Vol.10%

50

Gem Rate10%

50

Momentum10%

30

Supply10%

50

Age10%

100

Score drivers: grade price gap (70) and vintage age (100). Raw population data is not yet available for this card. Signals are mixed — no strong edge indicated at current prices.

Market

PSA10 / PSA9

—

Active Listings

—

PSA10 Mkt Cap

—

PSA 10 Price

—

30D PSA10

—

90D PSA10

—

Raw Price

$2

30D Raw

0.0%

90D Raw

—

Prices by Grade & Grader

No pricing data available.

Population Reports

PSA Population

PSA 10

—

PSA 9

—

PSA 8

—

PSA 7

—

PSA 6

—

PSA 5

—

PSA 4

—

PSA 3

—

PSA 2

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

Similar Opportunities

Same Player

John Orton #511 #511

1990 · Leaf

Score factors

John Orton #714 #714

1991 · Donruss

PopHunter surfaces potentially undervalued scarcity and relative value signals. This is not financial or investment advice. Always do your own research before buying, selling, or grading cards.

—

PSA 1

—

Alternative Population

No BGS or CGC data yet.

PSA Full Grade Breakdown (1–10)

No PSA population data yet

PSA10—

Pop—

Gem Rate—

Opportunity

56

Score factors

John Orton #94 #94

1990 · Topps Major League Debut

Score factors

John Orton #317 #317

1993 · Upper Deck

Score factors

john orton #167 #167

1993 · Ultra

Score factors

John Orton #672 #672

1990 · Upper Deck

Score factors

Same Set / Product

Roger Clemens #99

Roger Clemens #99 #99

1985 · Leaf

Score factors

Kirby Puckett #107

Kirby Puckett #107 #107

1985 · Leaf

Score factors

Rickey Henderson #208

Rickey Henderson #208 #208

1985 · Leaf

Score factors

Dwight Gooden #234

Dwight Gooden #234 #234

1985 · Leaf

Score factors

Pete Rose #144

Pete Rose #144 #144

1985 · Leaf

Score factors

Nolan Ryan #216

Nolan Ryan #216 #216

1985 · Leaf

Score factors

Similar Price Range

JJ Bleday #6 #6

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Score factors

Tim Tebow #18 #18

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Score factors

Riley Greene #15 #15

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Score factors

Josh Jung #17 #17

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Score factors

Nolan Gorman #5 #5

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Score factors

Andrew Vaughn #8 #8

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Score factors