10 printings of Tunnel
They range from $0.16 to $60.00 — a 375× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| 30th Anniversary Edition | 30A 174 | — |
| Summer Magic / Edgar | SUM 181 | — |
| Limited Edition Alpha | LEA 178 | $60.00 |
| Limited Edition Beta | LEB 179 | $7.50 |
| Intl. Collectors' Edition | CEI 179 | $3.53 |
| Collectors' Edition | CED 179 | $2.00 |
| Unlimited Edition | 2ED 179 | $1.88 |
| 30th Anniversary Edition | 30A 471 | $1.00 |
| Revised Edition | 3ED 181 | $0.16 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.