| Lot | Symbols | Description | Estimate |
| 181 | ** | 1971 Tax Instalment issue 20c blue, last three stamps in each row (part sheet 30), with variety last two stamps imperf, and third last stamp perf three sides and imperf vertically fourth side. Evidently the sheet was misplaced in the perforating machine, and perforating did not occur through the whole sheet (see photo first three rows). Exhibition piece. (30) | $400 - $500 |