2021 Panini Mosaic Big Fly Bryce Harper Green Fluorescent #BF4
2021
See all Bryce Harper cards & values2021 seasonPhiladelphia PhilliesBryce Harper career & card values
Common
$1.54est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Card number
#BF4
Year
2021
Parallel / variant
Green Fluorescent
Price by month
Average price of the 2021 Panini Mosaic Big Fly Bryce Harper Green Fluorescent #BF4 each month, from 1 recorded price reading. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
Recorded high
$1.54
Recorded low
$1.54
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1.54 | — |
Bryce Harper prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.54 | Buy on eBay ↗ |
| PSA 8 | $6.18 | Buy on eBay ↗ |
| PSA 9 | $13.99 | Buy on eBay ↗ |
| Grade 9.5 | $22.70 | Buy on eBay ↗ |
| PSA 10 | $22.74 | Buy on eBay ↗ |
| BGS 10 | $30.00 | Buy on eBay ↗ |
| CGC 10 | $9.00 | Buy on eBay ↗ |
| SGC 10 | $14.00 | Buy on eBay ↗ |
Other versions of this Bryce Harper card
7 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission2021 Panini Mosaic Big Fly Bryce Harper Green Fluorescent #BF4 value & prices
The 2021 Panini Mosaic Big Fly Bryce Harper Green Fluorescent #BF4 is a Baseball card (Green Fluorescent parallel) released in 2021. Ungraded copies carry a market value of about $1.54.
An ungraded copy is worth around $1.54, a PSA 9 around $13.99, a PSA 10 (Gem Mint) around $22.74 and a pristine BGS 10 around $30.00. That's roughly a 15× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.
Is it worth grading?
The spread between raw ($1.54) and top-graded ($22.74) copies is fairly tight, so grading this card only makes financial sense for truly flawless copies — or for collectors who simply prefer slabbed cards for protection and display.
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