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1906 and 1912 $25 Straits Settlements Key plate stamps

The idea of simplifying the printing process when producing similar runs of printing designs for a wide range of colonies was created by De La Rue in 1879. Their printing process split into two: the design of the printing plates by producing two individual plates, a key plate (or head plate) for the bulk of the design, and a separate duty plate for the name of the colony and the value. These are often known as key plate stamps.

While key type stamps are always of one colour, key plate stamps are bi-coloured. This method has the advantage that most of the design remains the same in each of a stamp series, with only the value, name and colours changing. In the case of the two stamps above the frame and value (the duty plate), these remain the same, with only the central portrait of the king being changed.

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Lot Number: 628
Closing: 23 January 2018

  • Guide price (GBP): 45 - 50
  • Currency guide (USD): 62 - 69
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Lot Number: 2691
Closing: 23 January 2018

  • Guide price (GBP): 100 - 120
  • Currency guide (USD): 138 - 166
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Lot Number: 7023
Closing: 30 January 2018

  • Guide price (GBP): 45 - 50
  • Currency guide (USD): 62 - 69
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Lot Number: 7024
Closing: 30 January 2018

  • Guide price (GBP): 1400 - 1600
  • Currency guide (USD): 1932 - 2208
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Lot Number: 2692
Closing: 23 January 2018

  • Guide price (GBP): 400 - 450
  • Currency guide (USD): 552 - 621
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Lot Number: 2694
Closing: 23 January 2018

  • Guide price (GBP): 50 - 60
  • Currency guide (USD): 69 - 83
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Lot Number: 2693
Closing: 23 January 2018

  • Guide price (GBP): 70 - 80
  • Currency guide (USD): 97 - 110
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Lot Number: 2695
Closing: 23 January 2018

  • Guide price (GBP): 70 - 80
  • Currency guide (USD): 97 - 110
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Lot Number: 2696
Closing: 23 January 2018

  • Guide price (GBP): 60 - 70
  • Currency guide (USD): 83 - 97
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Lot Number: 2697
Closing: 23 January 2018

  • Guide price (GBP): 150 - 160
  • Currency guide (USD): 207 - 221
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Lot Number: 2698
Closing: 23 January 2018

  • Guide price (GBP): 80 - 100
  • Currency guide (USD): 110 - 138
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Lot Number: 2699
Closing: 23 January 2018

  • Guide price (GBP): 70 - 80
  • Currency guide (USD): 97 - 110
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Lot Number: 7025
Closing: 30 January 2018

  • Guide price (GBP): 60 - 70
  • Currency guide (USD): 83 - 97
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GBP

Lot Number: 2700
Closing: 23 January 2018

  • Guide price (GBP): 70 - 80
  • Currency guide (USD): 97 - 110
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Lot Number: 2701
Closing: 23 January 2018

  • Guide price (GBP): 60 - 70
  • Currency guide (USD): 83 - 97
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Lot Number: 2702
Closing: 23 January 2018

  • Guide price (GBP): 60 - 80
  • Currency guide (USD): 83 - 110
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Lot Number: 2703
Closing: 23 January 2018

  • Guide price (GBP): 60 - 70
  • Currency guide (USD): 83 - 97
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Lot Number: 2704
Closing: 23 January 2018

  • Guide price (GBP): 100 - 120
  • Currency guide (USD): 138 - 166
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GBP

Lot Number: 7026
Closing: 30 January 2018

  • Guide price (GBP): 225 - 250
  • Currency guide (USD): 311 - 345
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Lot Number: 7027
Closing: 30 January 2018

  • Guide price (GBP): 50 - 60
  • Currency guide (USD): 69 - 83
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Lot Number: 629
Closing: 23 January 2018

  • Guide price (GBP): 40 - 45
  • Currency guide (USD): 55 - 62
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Lot Number: 7028
Closing: 30 January 2018

  • Guide price (GBP): 220 - 240
  • Currency guide (USD): 304 - 331
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Lot Number: 2705
Closing: 23 January 2018

  • Guide price (GBP): 40 - 45
  • Currency guide (USD): 55 - 62
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Lot Number: 7029
Closing: 30 January 2018

  • Guide price (GBP): 425 - 450
  • Currency guide (USD): 587 - 621
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Lot Number: 2706
Closing: 23 January 2018

  • Guide price (GBP): 50 - 60
  • Currency guide (USD): 69 - 83
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