First of all, do not ever feel stupid asking the tobacconist. If they are a worthy vendor, they should never make you feel uncomfortable. Sometimes box reading can be difficult when one is surrounded by so many similar options. Some shops even recycle boxes to refill with the same smokes bought in bundles.

Secondly, immediately write down what you purchased. After smoking the cigar, add a few tasting notes so you know if you enjoyed it and if you want to go back to purchase more. Another good idea is to pick up labels you can write on yourself for referencing purposes such as these:

http://www.heartfeltindustries.com/Accessories.htm