My lotery ticket is saying invalid what does that mean?

Lottery - my observations & tips - Recreation check lottery ticket nsw NSW at least), so you can check the ticket yourself For prizes under $1000, I suggest registering your ticket if you don't want to self check check your lottery ticket LUCKY LOTTO: NSW lotteries is urging players to check their old lotto tickets after a

check scratch off lottery tickets NSW at least), so you can check the ticket yourself For prizes under $1000, I suggest registering your ticket if you don't want to self check