MidpointCard Centering Grading Portfolio App
Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO Basketball Cards 2024 Topps Chrome 1973 Autograph trading card — raw and PSA graded price guide

Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO Price Guide

Basketball · Basketball Cards 2024 Topps Chrome 1973 Autograph · Released 2025

Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO (Basketball Cards 2024 Topps Chrome 1973 Autograph) is currently worth $184 raw (near mint) and $253 in PSA 10 (as of Sep 4, 2026). Values come from the PriceCharting price guide and are refreshed weekly. 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.

These live in the Midpoint app for iPhone and Android. Free to start.

Current prices

Raw (ungraded)

Ungraded$184

Graded — grade ladder

Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO graded prices by company and grade
GradePSACGCBGSSGCGraded
10$253$152$329$152—
9.5————$146

Swipe the table for the other grading companies →

Last updated 2026-09-04 · Source: the PriceCharting price guide

Shop this card on eBay ↗

As an eBay Partner, Midpoint may earn commission from qualifying purchases.

Is it worth grading?

Worth grading only if it gems

A PSA 10 Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO brings $253 versus $184 raw — a $69.50 spread that covers an economy-tier ~$25 grading fee. Without PSA 9 sales on record, budget for the fee being lost on a near-miss.

Full grading break-even for Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO: fee tiers, best grader, gem-rate math →

Should I pay this?

Enter the seller’s asking price to see your net outcome per grade.

More from 2024 Topps Chrome 1973 Autograph

Full set checklist →

More Shaquille O'Neal cards

All Shaquille O'Neal cards →

Best on iPhone & Android

Check your basketball card in the Midpoint app

Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.

Download on the App StoreGet it on Google Play

Or try it on the web →

Price alert

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

Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO — frequently asked

How much is Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO (Basketball Cards 2024 Topps Chrome 1973 Autograph) worth?

As of Sep 4, 2026, Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO (Basketball Cards 2024 Topps Chrome 1973 Autograph): an ungraded near-mint copy sells for about $184, a PSA 10 sells for about $253. Values come from the PriceCharting price guide and are refreshed weekly.

How much is a PSA 10 Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO worth?

As of Sep 4, 2026, a PSA 10 (Gem Mint) Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO (Basketball Cards 2024 Topps Chrome 1973 Autograph) sells for about $253, compared with $184 for a raw near-mint copy.

Is Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO worth grading?

A PSA 10 Shaquille O'Neal [Purple Geometric Refractor] #73TA-SO brings $253 versus $184 raw — a $69.50 spread that covers an economy-tier ~$25 grading fee. Without PSA 9 sales on record, budget for the fee being lost on a near-miss.

Where do these Basketball 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.

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