Does Koffing (1st Edition) have positive grading EV?

Based on current pricing, our model estimates a negative grading EV of $-12.18 for Koffing (1st Edition) — grading costs currently exceed the estimated PSA-10 premium. This is a model estimate based on historical data, not investment advice.

What is the estimated grading EV for Koffing (1st Edition)?

Our model estimates approximately -26% return after grading costs, based on historical grade distributions and recent sold comps. Raw price: $24.77, estimated grading cost: ~$22.00, estimated EV: $-12.18. Estimates are informational, not investment advice; trading cards are not securities.

Should You Grade Koffing (1st Edition)?

Base Set · #51

Expected-value figures are estimates based on historical grade distributions and market prices. Not a recommendation. Grading outcomes and market prices are not guaranteed. Methodology · Full disclaimer

Estimated grading EV negative

Current grading costs exceed model estimate of PSA 10 premium

Expected Value

Raw price$24.77

Grading cost~$22.00

Blended EV$12.59

Estimated profit$-12.18

Estimated return-26%

Break-even sell price$27.65

Profit by Grade

PSA 6 $12.47 $-34.30 (-73%)

PSA 7 $38.79 $-7.98 (-17%)