Polish Navy Yacht Club "Kotwica" Ensign.
Statut Jacht Klubu MW "Kotwica" – § 8. ust. 2. – mw.mil.pl
Bandera Jacht Klubu MW "Kotwica" – mw.mil.pl
Adam Kromer - "Polskie flagi..." - bandery jachtowe.
Polish_War_Jack_17th_century.svg: Adam Kromer &amp; Mboro
Naval_Ensign_of_Poland2.svg: Aotearoa &amp; Mboro
derivative work: Mboro (talk)