Denver Metro Trading Cards
Appraisal & Consignment
Providing collectors in the Denver area with trusted consignment, collection appraisals, expert pre-grading evaluations, and PSA submission handling for singles and sealed collections including Pokémon, One Piece, Disney Lorcana, Riftbound, Magic the Gathering, select sports cards, and more.
100%
TCGPlayer Seller Rating
$500k+
Lifetime Sales
7+
Years Collectibles Experience
Stop guessing what your cards are worth. Maximize every dollar.
Don't lose money to lowball offers from vendors and card shops. From singles to sealed collections, 303 TCG provides transparent appraisals and top-dollar consignment to help you extract maximum value from your collection.
We also offer expert pre-grading evaluations and seamless submission handling to maximize your grading returns.
Consignment
We handle listing, insured shipping, and sales for singles and sealed products to maximize your collection’s total payout. Direct cash buyouts are also available for smaller lots.
Pre-Grading & Submissions
Professional card prep, optical pre-screening, and end-to-end PSA submission management to maximize your ROI while eliminating the hassle.
Collection Appraisal
Get realistic, data-backed valuation reports on singles, binders, and sealed wax with true market liquidation estimates.
Consultation
Trade up, cut the noise, and build a high-conviction collection. We help you consolidate scattered collections, restructure your portfolio, and convert mid-tier inventory into blue-chip grails.