Private Perforations
Attleboro Perforations
Used on these stamps
International Co. Perforations
Used on these stamps
Schermack Perforations
Used on these stamps
Used on these stamps
Used on these stamps
U.S. Automatic Vending Company Perforations
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
Brinkerhoff Perforations
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
Mail-o-Meter Perforations
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
Farwell Perforations
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
Used on these stamps
