An incomplete list of cards with verifiable sales above 50k, vaguely ordered by price, with years of sales and source listed, which I also subjectively believe are currently still over 50k in value. I’ll add to this later, but gotta leave so putting up the unfinished list, which of course gets ninja’d by @Dyl by minutes!
1998 Pikachu Illustrator Promo (Japanese)
- PSA 9 valuation in trade, 900k, 2020, Private
- PSA 8.5 sale, 570k, 2023, Goldin
- PSA 7 sale, 375k, 2021, PWCC
1999 1st Edition Base Set Charizard (English, PSA 10)
- 6 sales ranging from 192k to 420k, 2022, PWCC
- 5 sales ranging from 240k to 350k, 2021, PWCC
- 2 sales, 295k, 350k, 2020, PWCC
1998 No. 3 Trainer Promo (Japanese)
- PSA 9 sale, 192k, 2022, PWCC
1998 Family Event Kangaskhan Promo (Japanese)
- PSA 10 sale, 150k, 2020, PWCC
- PSA 9 sale, 85k, 2021, PWCC
SNAP Magikarp Promo (Japanese)
- Raw sale, 136k, 2022, Yahoo Auctions
2012 No. 1 Trainer Promo (English)
- PSA 9 sale, 78k, 2021, PWCC
2005 Umbreon Gold Star PLAY Promo (Japanese)
- PSA 10 sale, 78k, 2021, PWCC
- BGS 9.5 sale, 70k, 2021, PWCC
1998 Tamamushi University Magikarp Promo (Japanese)
- PSA 10 sale, 78k, 2022, PWCC
- PSA 10 sale, 66k, 2021, PWCC
- PSA 10 sale, 50k, 2020, PWCC
2010 Master’s Key Promo (Japanese)
- BGS 9.5 sale, 66k, 2023, PWCC
1998 Tropical Wind TMB Promo (Japanese)
- PSA 10 sale, 65k, 2020, PWCC
- PSA 9 sale, 47k, 2021, PWCC
2013 No. 2 Trainer Promo (English)
- PSA 9 sale, 65k, 2021
1995 Topsun Charizard, No Number Blue Back (Japanese)
- PSA 10 sale, 490k, 2021
- PSA 10 sale, 190k, 2021, PWCC
- PSA 9 sale, 98k, 2021, PWCC
- PSA 10 sale, 53k, 2023, PWCC