# Brent Knackert #662

The Brent Knackert (#662, 1991 Donruss, 1991) is a common Baseball card. Across 1 ZeroPop community scans it averages a 8.5/10 grade (NM-MT), with 0% grading Gem Mint 9.5 or higher.

Canonical URL: https://zeropop.app/card/brent-knackert-1991-donruss-662-none

## Card details

- Set: 1991 Donruss
- Number: #662
- Year: 1991
- Game: Baseball
- Rarity: Common
- Finish: none

## Market price

- Current raw value: $1

## Community grade population

- Scans: 1
- Average overall grade: 8.5 / 10
- Average corners: 9.0
- Average edges: 8.5
- Average surface: 8.5
- Average centering: 8.0
- Gem Mint (9.5+) rate: 0%
- Highest community grade: 8.5

### Value by grade

| Grade | % of scans | Avg value |
|-------|------------|-----------|
| 8.5 | 100% | $1 |

### Most common condition issues

- Minor Surface Texture Near Left Border (Front): 100% of scans

## Is it worth grading?

A raw Brent Knackert carries a market value of $1. Community scans grading 8.5 are worth roughly $1, about 1.0× the raw price. Submission economics depend on the grade your specific copy would actually receive.

## Frequently asked questions

### What is a Brent Knackert worth?

The Brent Knackert from 1991 Donruss has a live raw market value that moves with recent sales, and graded copies sell for more. Create a free ZeroPop account and start a 3-day Pro trial to see its current value, full price history, and the estimated price at every grade.

### What grade do most Brent Knackert cards get?

Across 1 community scans on ZeroPop, the Brent Knackert averages a 8.5/10 overall grade. 0% reach Gem Mint (9.5+). Sub-grade averages: corners 9.0, edges 8.5, surface 8.5, centering 8.0.

### What are the most common defects on a Brent Knackert?

The most frequently flagged condition issues on scanned Brent Knackert cards are Minor Surface Texture Near Left Border (Front) (100% of scans).

### Is the Brent Knackert worth grading?

Whether the Brent Knackert 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