Subset
First Flight Signatures
First Cosmic subset year
2023-24
Collectability
Autograph subset color can be real demand, but player checklist and signing lane matter as much as the serial number.
Value read
Potential rainbow-defining card, but the buyer pool narrows fast outside elite players or iconic inserts.
Common trap
Comping First Flight Signatures straight against base-set parallels without checking whether the insert has its own buyer pool.
Audit basis
Topps official odds PDF and collector guide. Inserted 1:54,787 Hobby packs. Full Topps Cosmic Chrome subset audit branch: First Flight Signatures. Saved in the BCI key subset CSV for Topps Cosmic Chrome.
