Elliptical Perfs

British Decimal Machin head Stamps with elliptical perforations
(image for) Photogravure Printings
Photogravure Printings
(image for) Lithography Printings
Lithography Printings
(image for) Recess Printed
Recess Printed
(image for) NVI Machin Stamps
NVI Machin Stamps
(image for) S/A Machin Definitives
S/A Machin Definitives