Does Koffing have positive grading EV?

Based on current pricing, our model estimates a negative grading EV of $-8.03 for Koffing — 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?

Our model estimates approximately -19% return after grading costs, based on historical grade distributions and recent sold comps. Raw price: $20.20, estimated grading cost: ~$22.00, estimated EV: $-8.03. Estimates are informational, not investment advice; trading cards are not securities.

Should You Grade Koffing?

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$20.20

Grading cost~$22.00

Blended EV$12.17

Estimated profit$-8.03

Estimated return-19%

Break-even sell price$25.66

Profit by Grade

PSA 6 $17.67 $-24.53 (-58%)

PSA 7 $39.17 $-3.03 (-7%)