PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.88 |
| PSA 9 | $44.12 |
| PSA 10 | $135.5 |
| BGS 10 | $176 |
| CGC 10 | $81 |
| SGC 10 | $81 |
Market context: ungraded price +16.6% over 30 days. +27.4% over 90 days. PSA 10 premium: 47.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-bonds-to-the-end-of-time/pokemon-japanese-bonds-to-the-end-of-time-koffing-1st-edition-44