or...like this:
looks the same(if your bottle has a defacing mark on it, ie a gauge or cut, then its gonna fail.
if the bottle passes the test, it is safe, if you think its unsafe through the 5 years, retest it!
what sort of bottle do you have? most bottles when retested are now 5 year tested. id much rather risk £40, than waste £100. hy not go to an event where hpac are at, then its like £27