The 21c stamp is based on an 1876 photograph of Alexander Graham Bell.
Details
- Designer: Gyula László Vasarhelyi
- Printer: Thomas De La Rue & Co Ltd
- Process: Lithography
- Paper:
- Watermark: Multiple Crown CA Diagonal (sideways)*
- Perf: 14 (comb)
- Cylinders: Printed in panes of four by gutters, guillotined between horizontal gutter into two panes.
- 1A (Cyan) 1A (Yellow) 1A (Magenta) 1A (Black) : 1C (Cyan) 1C (Yellow) 1C (Magenta) 1C (Black) [upper : lower]
- 1B (Cyan) 1B (Yellow) 1B (Magenta) 1B (Black) : 1D (Cyan) 1D (Yellow) 1D (Magenta) 1D (Black) [upper : lower]
- Sheet:
- Quantity:
Watermark may also appear with Crown left of CA as seen from the back of the stamp.