For this initial review of the major vaulting services we’re focusing on the core use case of storing, buying, and selling graded cards on each vault’s marketplace. We use two categories: Vaulting and Selling to rate each service. Each category have a number of criteria rated 1 (poor) to 5 (excellent). The scores are averaged to provide an overall rating.

We also added up all fees to vault, sell, and receive cash back in your bank account - for a single card - to create and apples-to-apples comparison of selling costs.

We’ve tracked the first 111 boxes of the 2021 Garbage Pail Kids Sapphire set that have been opened on YouTube, Facebook, and eBay (sellers who listed 32 cards at one time). This has revealed some interesting insight that can help inform your decisions around buying, selling, trading, grading, and collecting this set.

This graph shows the eBay sale price for complete sets of 2020 Topps Garbage Pail Kids Sapphire (166 cards in total).

These graphs show the eBay sale price for the four “star” cards in the 2020 Topps Garbage Pail Kids Sapphire set:

8a - ADAM Bomb

8b - Blasted BILLY

1a - Nasty NICK

1b - Evil EDDIE

This is for anyone adding images or video to Card Lens GPK Sapphire object detection model. Each card in the set is given a “class:. Each image that is added by the community helps the model learn and the app perform better at detecting GPK Sapphire cards.

History of all base and parallel GPK Sapphire cards sold on eBay. Charts of price movement for "star cards" (Adam Bomb, Nasty Nick, etc...), Character index which shows the most and least valuable characters, and more.