1999 Upper Deck Biographics Alonzo Mourning Quantum Silver #B21
1999
See all Alonzo Mourning cards & values1999 seasonMiami HeatAlonzo Mourning career & card values
Rare
$39.49est. value (ungraded)
Prices updated 2026-10-20
Based on recorded sold prices how we price cards
Card number
#B21
Year
1999
Parallel / variant
Quantum Silver
Alonzo Mourning price history
$39.49▲ 0.0%
Oct 19 · $39.49 low$39.49 high · Oct 20
Ungraded market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 1999 Upper Deck Biographics Alonzo Mourning Quantum Silver #B21 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
$39.49
Recorded low
$39.49
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $39.49 | — |
Alonzo Mourning prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $39.49 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1999 Upper Deck Biographics Alonzo Mourning Quantum Silver #B21 value & prices
The 1999 Upper Deck Biographics Alonzo Mourning Quantum Silver #B21 is a Basketball card (Quantum Silver parallel) released in 1999. Ungraded copies carry a market value of about $39.49.
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