BTS
BT SERVICE CARDS
| NUMBER | DESCRIPTION | UNITS | MINTAGE |
| BTS001 | Green/Silver (Short Track) | 200u | |
| BTS002 | Green/Silver (Long Track) | 200u | |
| BTS003 | Green/Silver (notched) | 200u | |
| BTS004 | Green/White (Offset Print) | 200u | |
| BTS005 | Green/White (thermographic) | 200u |
BTT
BT TEST CARDS
| NUMBER | DESCRIPTION | UNITS | MINTAGE |
| BTT001 | Green/Handwritten Control - 1 Optical Track | ||
| BTT001A | Green/Handwritten Control - 3 Optical Tracks | ||
| BTT002 | Green/Matt Silver | ||
| BTT003 | Green/Polished Silver (8 numbers) | ||
| BTT004 | Green/Polished Silver (6 numbers) | ||
| BTT005 | Green/Polished Silver (new design) | ||
| BTT006 | Red/Polished Silver |
BTE
| NUMBER | DESCRIPTION | CONTROL | UNITS | MINTAGE |
| BTE001 | 1'st Issue Definitive Thermographic Trial | 00 225 xx | 100u | ??? ??? |
| BTE002 | 3'rd Issue Definitive Thermographic Trial (silver base) | 985E | 20u | 100 |
| BTE003 | 3'rd Issue Definitive Thermographic Trial (white base) | 985E | 20u | 100 |
| BTE004 | 3'rd Issue Definitive Thermographic Trial (white base) | 005F | 100u | 100 |
| BTE005 | 5'th Issue Definitive Thermographic Trial (offset print) | N/C | 20u | ??? ??? |
| BTE006 | 7'th Issue Definitive Thermographic Trial | 172D | 20u | 1 800 |
| BTE007 | Island Life (1) - Full Face Trial | 000A | 20u | 50 |
| BTE008 | Monte Bianco Full Face Trial | 000A | 20u | 50 |
| BTE009 | Island Life (2) Full Face Trial | 466C | 120u | 10 |
| BTE010 | Tiggywinkles (Full Face Trial) | 501L | 120u | 15 |
| BTE011 | HM Prison Full Face Trial | N/C | 20u | 6 |
| BTE012 | Goodbye Laura Laser Printing Trial | N/C | 5u | 5 |
| BTE013 | Protechno Laser Printing Trial | N/C | 5u | 10 |