# Mark McGwire #366

The Mark McGwire (#366, Topps, 1987) is a common Baseball card. Across 5 ZeroPop community scans it averages a 7.3/10 grade (NM), with 0% grading Gem Mint 9.5 or higher. Its current raw market value is about $2.

Canonical URL: https://zeropop.app/card/mark-mcgwire-topps-366

## Card details

- Set: Topps
- Number: #366
- Year: 1987
- Game: Baseball
- Rarity: Common

## Market price

- Current raw value: $2
- 64-day change: -70.9%

## Community grade population

- Scans: 5
- Average overall grade: 7.3 / 10
- Average corners: 7.3
- Average edges: 8.7
- Average surface: 7.9
- Average centering: 8.5
- Gem Mint (9.5+) rate: 0%
- Highest community grade: 8.0

### Value by grade

| Grade | % of scans | Avg value |
|-------|------------|-----------|
| 8 | 60% | $8 |
| 7 | 40% | $5 |

### Most common condition issues

- Whitening: 40% of scans
- Sharp: 20% of scans
- Light Whitening: 20% of scans

## Frequently asked questions

### What is a Mark McGwire worth?

A raw (ungraded) Mark McGwire from Topps currently carries a market value of about $2. Graded copies sell for more. The value ladder on this page shows the estimated price at each grade.

### What grade do most Mark McGwire cards get?

Across 5 community scans on ZeroPop, the Mark McGwire averages a 7.3/10 overall grade. 0% reach Gem Mint (9.5+). Sub-grade averages: corners 7.3, edges 8.7, surface 7.9, centering 8.5.

### What are the most common defects on a Mark McGwire?

The most frequently flagged condition issues on scanned Mark McGwire cards are Whitening (40% of scans), Sharp (20% of scans), Light Whitening (20% of scans).

### Is the Mark McGwire worth grading?

Whether the Mark McGwire is worth submitting depends on its raw value versus its graded value and your predicted grade. ZeroPop scans the card, predicts a PSA/BGS/CGC grade, and runs the break-even math before you pay submission fees.

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Source: ZeroPop community grade data. ZeroPop is an AI-powered trading card grading app at https://zeropop.app