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The 1937 Coronation Stamp of King George VI: Cylinder 23

Introduction

A Study of Cylinder 23 together with a miscellany of Accidentals and Constant Flaws

This is a comparatively easy cylinder to study but as usual, the output from the first printing far exceeds subsequent production.

It seems there were three printings, treated here as three states. The first printing seems to have at least three states, but the differences are minuscule and uncertain. Several whole panes were collected. There are many good constant flaws, the most noteworthy is the bold hatching in the Lacing on the no-stop pane. The line in the number one flaw was once listed as not being constant, then changed to be only in a later printing but is in fact fully constant. At another extreme, a ghost of the multipositive Tennis Ball flaw found only on early cylinders is just where it shouldn't be !

A dozen or so flaws on the stop pane echo the left side and once again support the three distinct printings conclusion, partly by some flaws being constant only for a particular state. The miscellany of pages after the analysis demonstrate how knowledge of the constant flaws can be used to diagnose different states and also identify otherwise anonymous pieces.

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Frame 1

CYLINDER 23 NO STOP PANE
  1. Introduction
  2. The Difficulty with Defining Printings and States
  3. The Major Constant Flaws
  4. Multiple Constant Flaws
  5. The First State - Top Left of Pane
  6. The First State - Top Right of Pane
  7. The First State - Bottom Left of Pane
  8. The First State - Bottom Right of Pane
  9. The Second State - Top Left of Pane
  10. The Second State - Top Right of Pane
  11. The Second State - Bottom Left of Pane
  12. The Second State - Bottom Right of Pane
  13. A Distinct State - Top Left of Pane
  14. A Distinct State - Top Right of Pane
  15. A Distinct State - Bottom Left of Pane
  16. A Distinct State - Bottom Right of Pane
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Frame 2

CYLINDER 23 NO STOP PANE (cont)
  1. The Kiss Curl Flaw
  2. Marginal Single with Cylinder Number on FDC
  3. Registered Cover Posted Out of Course
CYLINDER 23 STOP PANE
  1. Introduction
  2. The First State - Top Left of Pane, Rows 1-5
  3. The First State - Top Right of Pane, Rows 1-5
  4. The First State - Top Left of Pane, Rows 6-10
  5. The First State - Bottom Left of Pane, Rows 11-15
  6. The First State - Bottom Right of Pane, Rows 11-15
  7. The First State - Bottom Left of Pane, Rows 16-20
  8. The First State - Bottom Right of Pane, Rows 16-20
  9. Second and Third States - Top Right of Pane
  10. Second and Third States - Top Left of Pane
  11. Second Printing, Final State - Top Right of Pane
  12. Second Printing, Final State - Bottom Left of Pane
  13. Second Printing, Final State - Bottom Right of Pane
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Frame 3

CYLINDER 23 STOP PANE (cont)
  1. Pearl-in-Orb as an Indicator of State
  2. Identifying an Anonymous Part Pane
  3. An Example of How Minor Flaws Can Identify a Rare Stamp
  4. Perforation Encroachment - The False Type 68 Perf
  5. The Rare Gumside-up Perforation Variant
  6. Illustrated FDC, With the Stamp Carrying the White-Throated Eagle Flaw