2020 Panini Diamond Kings Base Set Billy Williams Artist Proof Blue #121
2020
See all Billy Williams cards & valuesCommon
$1.25est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Card number
#121
Year
2020
Parallel / variant
Artist Proof Blue
Billy Williams price history
$1.25▲ 0.0%
Oct 23 · $1.25 low$1.25 high · Oct 24
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 2020 Panini Diamond Kings Base Set Billy Williams Artist Proof Blue #121 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
$1.25
Recorded low
$1.25
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1.25 | — |
Billy Williams prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.25 | Buy on eBay ↗ |
Other versions of this Billy Williams card
8 versions, each priced on its own. Most valuable first.
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Affiliate — we may earn a commission2020 Panini Diamond Kings Base Set Billy Williams Artist Proof Blue #121 value & prices
The 2020 Panini Diamond Kings Base Set Billy Williams Artist Proof Blue #121 is a Baseball card (Artist Proof Blue parallel) released in 2020. Ungraded copies carry a market value of about $1.25.
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Billy Williams2020 Panini Diamond Kings Base Set2020Baseball cardsArtist Proof Bluecard valueprice guide