Only a limited number were made. It was issued to commemorate the 150th Anniversary of the Customs in Malta. First issued in 1990, and the meaning of the patch is as follows:
AIRPLANE...meaning the sky
STAR AND WORD...cardinal points, N. S. E. W.
|Smaller version of above patch|
|Malta Hat Badge
Gold = high rank
Silver = lower ranks
Thanks to Roland Briand for this information.