It is called e-voucher I think. If you go to your perfectmoney account and click the tab "deposit" you will see one of the option that us called e-voucher.
I would lime to purchase that but it looks like nearly everyone who "sells" them in the web is a scammer.
Ah yes! Vouchers/Coupons/gift cards in any site - nearly everyone who sells them (here) are scammers which is why you should
use an escrow for every transaction.
I did try to search on google but every site I found is either suspicious or confirmed scam
.