Pricing

PriceCharting

Raw / Ungraded $26.00

Grade 7 $20.96

Grade 8 $23.74

Grade 9 $38.73

Grade 9.5 $49.97

PSA 10 $264.50

BGS 10 $344.00

CGC 10 $77.79

SGC 10 $60.00

Insights

Grading and demand signals

Sales Volume 454

Gem Rate 28.0%

PSA 10 Rate 31.9%

PSA 10 Population 2008

Raw to PSA 9 $-27.27 -41.3%

Raw to PSA 10 $198.50 300.8%

Population Report

Latest snapshot: 2026-04-16

PSA / BGS / CGC / SGC

Holofoil

Koffing (Secret) #243

Total grades 2878

PSA

8 291 8.5 2 9 1074 10 641

BGS

8 2 8.5 4 9 13 9.5 18

CGC

8 34 8.5 151 9 365 9.5 23 10 134 10P 8

SGC

8 1 8.5 2 9 5 9.5 4 10 5