Cat. | Mint Unhinged | Fine Used | ||||
40c | Geothermal Electricity Generation | 296a | $0.90 | $0.70 | ||
60c | Fossil Fuel Electricity Generation | 296b | $1.15 | $1.15 | ||
70c | Gas Electricity Generation | 296c | $1.45 | $1.45 | ||
80c | Hydro Electricity Generation | 296d | $1.60 | $1.55 | ||
Set of 4 individual stamps | 296e | $4.85 | $4.60 | |||
First Day Cover - 13 January 1988 | 296f | $4.50 | ||||
... 40c (296a), 60c (296b), 70c (296c), 80c (296d) | ||||||
Silk First Day Cover - 13 January 1988 | 296g | $15.30 | ||||
... 40c (296a), 60c (296b), 70c (296c), 80c (296d) |
The Postage Stamps of New Zealand Volume VIII | Edited by B. G. Vincent FRPSNZ | Published 1998 by The Royal Philatelic Society of New Zealand Incorporated (ISSN 0-9597883-1-X) |
Pages 201 - 203, 254 |