hello

one of my clients sent me a $120 payment to address  19PfFbgDZVmDQ7DkFAQfcDG4QVfuiimAw9
tells me I gave him that address back on the 12th of June
I CAN confirm this in my own Skype history
but I can find no other reference to that address anywhere
I did a search of all my other contacts in Skype (not given it to anyone else)
I did a search of my websites database never given it in any tickets
yet "Aw9" looks familiar

I always go directly to my blockchain.info account hit request and copy the address given
but that is a dif address given there 1LqyBkiN8fAMgxX6b2EUHCx92a5SoFK89F

what in the world do I do now
how do I collect that $120 ?