Robuta

https://greatwallbooks.com/china-stamps-1993-5-scott-2436-37-weiqi-imprint-block-of-4-w-control-number-mnh-f-vf-9243q/ China Stamps - 1993-5 , Scott 2436-37 Weiqi - Imprint Block of 4 w/control number - MNH, F-VF... imprint block control number china stamps scott