For those of you that are going to be collection the 2021 Topps Chrome Baseball, that releases on August 20th, a complete checklist including variations and inserts can be found here: 2021 Topps Chrome Baseball Checklist, Team Set Lists, Box Breakdowns (beckett.com) There is a downloadable file (to Excel) if you want to filter out the data for your favorite player, team, RCs, inserts and such. I'm not sure if this can be used to create the Checklist on TCDB or not...really not sure how that happens. Enjoy and happy hunting for those of you that will be collecting this product!