60 Kop. \"Aid for the city kindergarten\", single stamp from souvenir sheet 1 on paper with vertical watermark (boulder field 3) as additional franking on postage exceeding tariff rate 20 Kop. Postal stationery postcard with cancellation \"NCKOB 12 12 41\", in perfect condition, expertized, Mikulski and expertise Brunel VP (2021) : \"the condition is perfect. \" (former starting price 150)