| 1928 9 cents NVPH no. 181Af ... | |
| 1928 9 cents NVPH no. 181Af ERROR MISSING VALUE MNH - Sold on eBay Mar 06, 2021 for $9,950.00 | |
| The UNIQUE marginal copy with margin number 1. Mint never hinged.... | |
| 1928 9 cents NVPH no. 181Af ... | |
| 1928 9 cents NVPH no. 181Af ERROR MISSING VALUE MNH - Sold on eBay Mar 06, 2021 for $9,950.00 | |
| The UNIQUE marginal copy with margin number 1. Mint never hinged.... | |