TRIAL ISSUES AND FORERUNNERS
| NO | UNITS | DATE | MINTAGE | DESCRIPTION | CONTROL | |
| 1001 | 5 | Apr-88 | 4770 | Dublin Trial GPT Plessey | 1IREA | |
| 1001a | 5 | Jun-05 | inc.above | Dublin Trial GPT Plessey | 2IREA | |
| 1002 | 10 | Apr-88 | 72500 | Dublin Trial GPT Plessey | 1IREB | |
| 1002a | 10 | Apr-88 | inc.above | Dublin Trial GPT Plessey | 2IREB | |
| 1002b | 10 | inc.above | Dublin Trial GPT Plessey | 3IREB | ||
| 1002c | 10 | inc.above | Dublin Trial GPT Plessey | 4IREB | ||
| 1003 | 10 | Apr-88 | 6500 | Dublin Trial GPT Plessey shallow notch | 4IREB | |
| 1004 | 20 | Apr-88 | 47250 | Dublin Trial GPT Plessey | 1IREC | |
| 1004a | 20 | Apr-88 | inc.above | Dublin Trial GPT Plessey | 2IREC | |
| 1004b | 20 | inc.above | Dublin Trial GPT Plessey | 3IREC | ||
| 1004c | 20 | inc.above | Dublin Trial GPT Plessey | 4IREC | ||
| 1005 | 50 | Apr-88 | 16930 | Dublin Trial GPT Plessey | 1IRED | |
| 1005a | 50 | inc.above | Dublin Trial GPT Plessey | 2IRED | ||
| 1005b | 50 | inc.above | Dublin Trial GPT Plessey | 3IRED | ||
| 1005c | 50 | inc.above | Dublin Trial GPT Plessey | 4IRED | ||
| 1006 | 100 | Apr-88 | 6000 | Dublin Trial GPT Plessey | 1IREE | |
| 1006a | 100 | inc.above | Dublin Trial GPT Plessey | 2IREE | ||
| 1006b | 100 | inc.above | Dublin Trial GPT Plessey | 3IREE | ||
| 1007 | 5 | Sep-89 | 5000 | Galway Trial L&G | ||
| 1008 | 10 | Sep-89 | 10000 | Galway Trial L&G | ||
| 1009 | 20 | Sep-89 | 16000 | Galway Trial L&G | ||
| 1010 | 50 | Sep-89 | 2000 | Galway Trial L&G | ||
| 1011 | 100 | Sep-89 | 1000 | Galway Trial L&G | ||
| 1012 | 5 | Feb-89 | 5500 | Autelca | ||
| 1013 | 10 | Feb-89 | 35500 | Autelca | ||
| 1014 | 20 | Feb-89 | 15500 | Autelca | ||
| 1015 | 50 | Feb-89 | 3250 | Autelca | ||
| 1016 | 100 | Feb-89 | 1100 | Autelca | ||
| 1017 | 100 | Sep-88 | 960 | FITCE GPT Plessey | ||
| 1018 | 10 | Sep-88 | 10000 | Dublin Millennium GPT Plessey | ||
| 1019 | 20 | May-89 | 250 | IMI Conference 1989 Autelca | ||
| 1020 | 50 | May-89 | 750 | IMI Conference 1989 Autelca |