| name | set-completion-economics |
| description | Use when evaluating sets for completion strategy. Some sets command completion premium; most do not.
|
Set Completion Economics
Set premium applies only to historically significant sets. Modern complete sets trade at sum-of-parts. Vintage premier sets command 20-100% premium.
Sets with completion premium
- 1952 Topps Baseball (complete set premium ~50-100%)
- 1933 Goudey (premium ~30-60%)
- 1955 Topps Football
- 1986-87 Fleer Basketball
- 1979 OPC Hockey (Gretzky RC set)
- 1998 Topps Chrome Refractor Baseball
- 1999 Pokemon Base Set 1st Edition Shadowless
Others: case-by-case; verify with PWCC or Goldin auction history.
Modern set strategy
Modern complete sets (Topps Series 1 2023, Prizm 2024, Pokemon Sword & Shield) trade at sum-of-parts. No completion premium. Sell card-by-card to maximize value.
Vintage completion math
Complete sets sold to a single buyer offer:
- Premium over individual sales (20-100%)
- Single-buyer convenience (saves 20+ auction transactions)
- Single insurance/shipping line item
- Better tax treatment in some cases (single sale vs many)
Where this fits in the X3 empire
Used in Listing tool to recommend complete-set consignment when applicable.