| Issuer | Date | Desc | State | ||
| - | no image | Bulgaria | 2/23/2018 | empty sheet (#83471) | incomplete |
| - | no image | Bulgaria | 3/7/2018 | empty sheet (#83472) | incomplete |
| - | no image | Bulgaria | 3/20/2018 | empty sheet (#83473) | incomplete |
| - | no image | Bulgaria | 4/17/2018 | empty sheet (#83474) | incomplete |
| - | no image | Bulgaria | 4/20/2018 | empty sheet (#83475) | incomplete |
| - | no image | Bulgaria | 4/25/2018 | empty sheet (#83476) | incomplete |
| - | no image | Bulgaria | 5/4/2018 | empty sheet (#83477) | incomplete |
| - | no image | Bulgaria | 5/19/2018 | empty sheet (#83478) | incomplete |
| - | no image | Bulgaria | 6/5/2018 | empty sheet (#83479) | incomplete |
| - | no image | Bulgaria | 6/14/2018 | empty sheet (#83480) | incomplete |
| - | no image | Bulgaria | 7/20/2018 | empty sheet (#83481) | incomplete |
| - | no image | Bulgaria | 7/20/2018 | empty sheet (#83482) | incomplete |
| - | no image | Bulgaria | 8/15/2018 | empty sheet (#83483) | incomplete |
| - | no image | Bulgaria | 9/26/2018 | empty sheet (#83484) | incomplete |
| - | no image | Bulgaria | 10/19/2018 | empty sheet (#83485) | incomplete |
| - | no image | Bulgaria | 10/19/2018 | empty sheet (#83486) | incomplete |
| - | no image | Bulgaria | 10/20/2018 | empty sheet (#83487) | incomplete |
| - | no image | Bulgaria | 11/20/2018 | empty sheet (#83488) | incomplete |
| - | no image | Bulgaria | 12/12/2018 | empty sheet (#83489) | incomplete |