1991 Upper Deck Denny's Grand Slam Kelly Gruber #6
1991
See all Kelly Gruber cards & valuesCommon
$1.99est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Card number
#6
Year
1991
Price by month
Average price of the 1991 Upper Deck Denny's Grand Slam Kelly Gruber #6 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
$1.99
Recorded low
$1.99
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1.99 | — |
Kelly Gruber prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.99 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1991 Upper Deck Denny's Grand Slam Kelly Gruber #6 value & prices
The 1991 Upper Deck Denny's Grand Slam Kelly Gruber #6 is a Baseball card released in 1991. Ungraded copies carry a market value of about $1.99.
More from 1991 Upper Deck Denny's Grand Slam
Kent Hrbek
#7$1.86
Mark McGwire
#10$1.90
Pedro Guerrero
#22$1.55
Ricky Jordan
#13$1.87
Ruben Sierra
#21$1.48
Tim Raines
#26$1.22
Other Kelly Gruber cards
Kelly Gruber
#628$2.84
Kelly Gruber
#30$2.12
Kelly Gruber
#255$1.99
Kelly Gruber
#156$1.75
Kelly Gruber
#532$1.69
Kelly Gruber
#T70$1.69
