Danzig Large Coat of Arms Overprint MiNr. 150 This large coat of arms overprint was issued on 14 August 1923. The underlying stamp is MiNr. 148. Set Date(s) 14 August 1923 Watermark(s) Album Page(s) Large Coat of Arms Overprint MiNr. 150 This large coat of arms overprint was issued on 14 August 1923. The underlying stamp is MiNr. 148. Set Date(s) 14 August 1923 Watermark(s) Album Page(s)