Two men, aged 25 and 47, who were found to be unlawful non-citizens, were detained during the operation.

Tasmania recorded one of its largest cigarette seizures just before Christmas, when officers searched a shipping container from Poland and uncovered over 5.4 million illicit cigarettes declared as stretch film.

The cash was seized as suspected proceeds of crime after police allege the pair could not provide a reasonable explanation for its source.

When questioned by police about the identity of the owner, she told officers she did not know who owned the business.