They’re both considered to have generational talent playing baseball and many of their respective autograph cards are worth a pretty penny.
But these dual autograph baseball cards that have both Mike Trout and Bryce Harper’s signatures on one card is pretty amazing.
We found several listed on eBay that collectors can pick up if the price is right.
Just click on the links below to see the listing or to make an offer.
SHOP ON EBAY
Topps 2022 Diamond Icons Trout Harper Dual Auto Diamond Book Card DRBCA-TH 3/3
 | $1,000.00 (1 bid) End Date: Monday Sep-14-2026 10:38:32 EDT Bid |
2025 Topps Inception Trout Harper Dual Auto Relic Booklet HOF 21/25
 | $750.00 (1 bid) End Date: Monday Sep-14-2026 12:44:36 EDT Bid |
2025 Topps Inception Mike Trout BryceHarper Dual Auto Relic Booklet /25
 | $1,500.00 End Date: Wednesday Sep-16-2026 11:09:00 EDT Buy It on eBay for only: $1,500.00 Buy It Now on eBay |
2024 Topps Pristine Bryce Harper/ Mike Trout Dual Red Refractor On-Card Auto /5
 | $2,999.99 Buy It on eBay for only: $2,999.99 Buy It Now on eBay |
2017 Topps Definitive * MIKE TROUT * BRYCE HARPER * Dual Auto #3/5 * BGS 9.5/10
 | $2,000.00 Buy It on eBay for only: $2,000.00 Buy It Now on eBay |
2024 Topps Pristine Bryce Harper/ Mike Trout Dual Red Refractor Auto /5 PSA 10
 | $5,999.00 Buy It on eBay for only: $5,999.00 Buy It Now on eBay |
2020 Topps Museum Collection Mike Trout Bryce Harper Dual Auto 1/5
 | $2,582.40 Buy It on eBay for only: $2,582.40 Buy It Now on eBay |
2020 TOPPS Museum Mike Trout Bryce Harper Dual on card Auto /5 SSP First Number
 | $2,000.00 Buy It on eBay for only: $2,000.00 Buy It Now on eBay |
2017 MIKE TROUT / BRYCE HARPER TOPPS MUSEUM COLLECTION DUAL AUTO 9/15 9.5 GEM
 | $2,999.00 Buy It on eBay for only: $2,999.00 Buy It Now on eBay |
2021 Topps Museum Collection #DATH Mike Trout/Bryce Harper Dual Autos /5
 | $1,499.99 Buy It on eBay for only: $1,499.99 Buy It Now on eBay |
2024 TOPPS MUSEUM COLLECTION DUAL PATCH AUTO 3/5 MIKE TROUT BRYCE HARPER BOOKLET
 | $1,499.99 Buy It on eBay for only: $1,499.99 Buy It Now on eBay |
2014 TOPPS CHROME BACK TO 2 BACK MIKE TROUT BRYCE HARPER DUAL AUTO 4/5
 | $2,999.99 Buy It on eBay for only: $2,999.99 Buy It Now on eBay |
2023 Topps Diamond Icons Albert Pujols Dual Team Auto Relic 1/1 G-Used SPDT-PUJ
 | $5,000.00 Buy It on eBay for only: $5,000.00 Buy It Now on eBay |
2018 Topps Definitive Mike Trout Bryce Harper Dual Auto Relic DAC-T-H /10
 | $2,299.99 Buy It on eBay for only: $2,299.99 Buy It Now on eBay |
2020 TOPPS Museum Collection Mike Trout/Bryce Harper Dual Auto 1/5 #DA-TH
 | $1,854.88 Buy It on eBay for only: $1,854.88 Buy It Now on eBay |