Russia’s finance ministry has paid 50.2 billion roubles ($616 million) in coupons on seven OFZ treasury bond issues, data on its website showed. The payments come as the finance ministry is due to make a $447 million coupon payment on Thursday on a dollar Eurobond that matures in 2030. Investors are watching closely Moscow’s servicing of its debt after Western sanctions aimed at isolating Russia economically. The sanctions have led European clearing houses Euroclear and Clearstream to limit their business with Russian clients. This has left foreign OFZ investors cut off from their rouble bond holdings and local sovereign Eurobond holders, in turn, from interest payments in hard currency. The National Settlement Depository (NSD), a Russian national clearing house, citing a central bank’s order, said this month that foreign OFZ bond holders are barred from receiving coupon payments until further notice. NSD, which processes OFZ interest payments on behalf of …