Midpoint - Card Centering Tool

Party Thor [Exclusive Flagship] #30 Price Guide

Marvel · Marvel 2023 Upper Deck What If

We're still collecting market data for Party Thor [Exclusive Flagship] #30 (Marvel 2023 Upper Deck What If). Prices, the grade ladder and history will appear here as sales land. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.

More from Marvel 2023 Upper Deck What If

Full set checklist

Price alert

Watching this card? Set a line and Midpoint emails you the day the market crosses it — waiting to buy the dip or sell the spike.

Party Thor [Exclusive Flagship] #30 — frequently asked

Where do these Marvel card prices come from?

Prices are the PriceCharting price guide, refreshed weekly. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.

Is your Marvel card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

Check my card free

Best on iPhone & Android

The full Midpoint experience is in the app

Scan with your camera, get AI grades with corner and edge close-ups, issue Grade Certificates, set price alerts, track your portfolio and talk to other collectors — everything here, plus the parts a browser can't do. Free to start.

Download on the App StoreGet it on Google Play