Roughly two years ago I took a focused look at perfins known to me on the 1898 documentaries .  Most of the perfins I was able to identify. ...

Front                                           Back P & Co +4 30 01 Perfin cancel with initials and date.  This is the most complex an...

Collections of 1898 series revenue stamps, especially the dollar value documentaries, may occasionally contain stamps that are punch cancell...