Jason Mattern

@PopsCardz

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Rising Star Buyer

Ethan Holliday

2026 Bowman - Prospects

#BP-1 Ethan Holliday

$1.25

Jacob Wilson

2025 Bowman Chrome

#1 Jacob Wilson

$3.00

Alex Rodriguez

2025 Topps Chrome Platinum - 1955 Topps Rails and Sails

#55RS-6 Alex Rodriguez

$1.25

Michael Harris II

2025 Topps Heritage - Chrome Silver Sparkle Refractor

#410 Michael Harris II

$2.49

Hyeseong Kim

2025 Stadium Club

#200 Hyeseong Kim

$1.29

Mookie Betts

2025 Stadium Club - Light Blue Foil

#160 Mookie Betts

$1.59

Wyatt Langford

2026 Topps - Sandglitter

#383 Wyatt Langford

$1.39

Joe Carter / Vladimir Guerrero Jr.

2026 Topps Chrome - Past to Present

#PTP-6 Joe Carter / Vladimir Guerrero Jr.

$1.97

Juan Soto

2025 Stadium Club - Red Foil

#152 Juan Soto

$1.25

Roki Sasaki

2025 Topps Heritage - Dark Blue Border

#224 Roki Sasaki

$4.50

Corbin Carroll

2025 Topps Black & White

#027 Corbin Carroll

$1.50

Fernando Tatis Jr.

2025 Topps Heritage - Clubhouse Collection Relics

#CCR-FT Fernando Tatis Jr.

$4.99

2026 Topps Chrome - X-Fractors

#9 Cal Raleigh

$1.00

Wyatt Langford

2025 Topps Chrome - Sepia Refractors

#68 Wyatt Langford

$1.00

Matt Shaw

2025 Bowman Chrome

#46 Matt Shaw

$4.26

Jacob Wilson

2025 Topps Chrome

#96 Jacob Wilson

$2.25

Daniel Schneemann

2025 Topps Chrome Platinum - Refractors

#341 Daniel Schneemann

$1.69

Shotaro Morii

2026 Bowman - Bowman Scouts' Top 100

#BTP-75 Shotaro Morii

$1.53

Nacho Alvarez Jr.

2025 Topps Inception

#9 Nacho Alvarez Jr.

$1.50

Dylan Beavers

2026 Topps Chrome Black

#70 Dylan Beavers

$1.61

Buster Posey

2026 Topps Chrome - Chrome Rivals Away

#RVA-17 Buster Posey

$0.99

Luis Gil

2025 Topps Chrome Platinum - Prism Refractors

#127 Luis Gil

$1.30

Jake Bloss

2025 Topps Chrome Platinum - Chrome Platinum Autographs Aqua Refractors

#CPA-JBL Jake Bloss

$9.74

Manny Machado

2026 Topps - 1991 Topps Baseball 35th Anniversary Relics (Series One)

#91R-MM Manny Machado

$3.00