2018 Topps High Tek Base Set Mark McGwire Magma Diffractor Black #HT-MM
2018
See all Mark McGwire cards & valuesUncommon
$9.00est. value (ungraded)
Prices updated 2026-11-03
Based on recorded sold prices how we price cards
Card number
#HT-MM
Year
2018
Parallel / variant
Magma Diffractor Black
Price by month
Average price of the 2018 Topps High Tek Base Set Mark McGwire Magma Diffractor Black #HT-MM 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
$9.00
Recorded low
$9.00
| Month | Source | Average | Range |
|---|---|---|---|
| Nov 2026 | Market value | $9.00 | — |
Mark McGwire prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $9.00 | Buy on eBay ↗ |
Other versions of this Mark McGwire card
13 versions, each priced on its own. Most valuable first.
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Affiliate — we may earn a commission2018 Topps High Tek Base Set Mark McGwire Magma Diffractor Black #HT-MM value & prices
The 2018 Topps High Tek Base Set Mark McGwire Magma Diffractor Black #HT-MM is a Baseball card (Magma Diffractor Black parallel) released in 2018. Ungraded copies carry a market value of about $9.00.
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Mark McGwire2018 Topps High Tek Base Set2018Baseball cardsMagma Diffractor Blackcard valueprice guide