Ministry of the of the interior: prison money, 1, -20 Mark voucher 1.7.1990, of it 4 used "JVA Rüdersdorf" (zus. 6 St. ) ; issue of the south and Northern districts (1981) and issues to r monetary union with of the Federal Republic of Germany 1990 1- 50 penny o. D. (11 St. ). Condition I-III.