clover
TO find a four leaf clover means good luck. But a five leaf clover brings bad luck.
Black cat
In Britain, a black cat is lucky. You can find many greetings cards and birthday cards with black cats on them.
Mirror
It is bad luck to break a mirror because the mirror shows our soul. So when we break our soul.
Rabbit
It is good luck to say 'white rabbit' three times on the first day of each month. it is also good luck to carry a rabbit's foot with you.
Leaves
TO catch a falling leaf in autumn means good luck. Every leaf you catch means a lucky month next year.
Salt
some people carry small bags of salt with them so that everything goes well in their day. to spill salt is bad luck though.