| Catalogue numbers for bird stamps from Trieste |
| Year | Date | Description | SG | Michel | Scott | Yvert | ÅE | KSissue | KS |
| 1949 | 01.06.1949 | Air | B13 | 11 | C9 | PA9 | 1 | 1949.01 | 1 |
| 1949 | 05.11.1949 | Surcharge on 1949.01 | B32 | 30 | C16 | PA10 | 2 | 1949.02 | 2 |
| 1954 | 30.06.1954 | Overprint STT VUJNA on Yugoslavia 1954.01 | B124-B125 | 128-129 | 98-99 | 97-98 | 3-4 | 1954.01 | 3-4 |
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