hey there all its me again i eventually got this lock open and the coin box now has a new lock hey there was also 50 cents still in there

anyways i let the guy i bought the machine from know i got it open talking to you guys and i told him you were all a big help so he wants me to ask you a question hes got a bunch of old washers and dryers some have keys some dont. now hes gonna call a locksmith but he wants to find the right one first so heres a pic of the lock, what kind is this one?
he wants to know what kind of lock it is before he calls around. any help would be greatly appreciated