I'm not familiar with the unit measurements you guys use. Here it's ng/dl. I convered your DHT to this. You're like 59 ng/dl. Reference range is 30-90 ng/dl.
Normally anyone on finasteride would get to below 30 ng/dl. So yes, it is strange but not entirely unlikely. I still don't think your meds are fake, the more I think about it. I get finasteride online and it's working. You went to a pharmacy, there is a chance of fakes but I am not sure. Could be one with less dutasteride perhaps but doesn't seem plausible.
Good you're doing something about it. Get on finasteride and do another blood test! I have taken Fincar and Merck's Proscar, my DHT is under 30 ng/dl. This way you can compare mate with others. I am planning on having another test soon as more months have gone and my daily dose is a bit higher.
Another thing to consider is perhaps you are producing DHT via other mechanisms. This can't be ruled out.