Hello, :)Can you please help me with an

Hello, :)Can you please help me with an information of permesso di soggiorno di italiaI have done the fingerprints( 2014) they told me the papers will be ready in 2 months. in the mean time i've returned my country and kept checking for the following 2 months at home but i saw the papers wasnt ready. so for the next time i checked the websites after few months and saw that my papers are ready. But the problem is i couldnt collect the papers on time(because i was at my country) ! i've talked to few peoples but they couldnt answer my question! If there is anyone helpfull to help me with the information i will be thankfull!after giving the fingerprints can i collect the pappers and go to italy by showing the receipt that i got from Poste italiane?