Hi everyone, I'm new to the board and have just made the jump into the 'reclaim charges territory'. I'm really hoping to get some awesome advice from you great guys

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I signed up for a new credit card back in mid-2001 just a few months prior to commencing university. However, I've only just realised that I've been paying every month for this PPI on my credit card that I've got absolutely no use for whatsoever. For the period between 2001 and 2007 I have been in full-time education and entirely unemployed. I've (quite ignorantly, I know) only found out that PPI is in fact only useful if you are employed and working. Therefore, naturally, I'm extremely motivated to reclaim all the past monthly premiums I have paid.
The things I do NOT accurately know are:
>When the PPI was taken out on my credit card (however, I'm almost sure it was at the same time as when I signed up for my card ie 2001).
>Whether I knew exactly what PPI was at the time of signing up and how I agreed to the policy ie did I 'tick the box' or was the policy automatically added to my credit card?
>The exact terms and conditions of the PPI.
>Whether the fact that I was employed during the six months prior to taking up my credit card and PPI makes a difference (however this assumes that PPI was added to my credit card at the same time I took it out)
It would be great if anyone could provide me with some advice as to whether I have a justified claim?
And what is the best way to start going about the process?
Many thanks,
JohnT