at the end of 2012 I paid to craigslist poster service by bitcoin. I do not remember method of payment details but checked emails and discovered that I used '' MT.Gox" ," bitstamp coupons ",  and I had problems with " Bitinstant" also I made payment by "zipzap"(like moneygramm). I can not find a way to check do I have some bitcoin in my wallet or not and where is that wallet is. Please help me find out my balance

at the end of 2012 I paid to craigslist poster service by bitcoin. I do not remember method of payment details but checked emails and discovered that I used '' MT.Gox" ," bitstamp coupons ",  and I had problems with " Bitinstant" also I made payment by "zip zap"( like moneygramm). I can not find a way to check do I have some bitcoin in my wallet or not and where is that wallet is. Please help me find out my balance