Check List & Usage Data

CZSG Check List

• Revised CZSG Check List updated March 2023.
  • Illustrated Check List of Strip Liquor Revenues

Revised and Augmented Plating Tables

by Geoffrey Brewster

• Plating Table 5, Stage I of the Third Series: Revised Table of Plating Characteristics on Scott Nos. 9-10 and 12-15
• Plating Table 6, Stages II–VI of the Third Series: Revised Table of Plating Characteristics on Scott Nos. 9-15 and 18-20
• Plating the PANAMAs of the Fourth Panama Carmine Narrow-Bar Stamps of the C.Z.Third Series
• Plating the PANAMAs of the Fourth Panama Red-Brown Narrow-Bar Stamps of the C.Z. Third Series, with Comparison to the Carmine Narrow-Bar Stamps
• Varieties of the PANAMAs in Form 3 of the 4th Panama Issue on the C. Z. Third Series
• Spacing between Narrow Bars and the PANAMAs of the C. Z. Third Series
• Bar Gaps on Narrow Bars and the PANAMA Overprints of the C. Z. Third Series
• Recorded Bar Gaps of Panama Overprint Form 3 on the C. Z. Third Series

Usage Data

• Census of Canal Zone Second Series Covers (May 2021)
• Earliest Known Stamp Use by CZSG catalog number (September 2022)
• Canal Zone Domestic Rates (September 2022)
• Census of Dated Usage of Type III Overprint issues (December 2020)
• Census of Perf P and PSN Covers (June 2021)
• Project: covers needed from 18th Infantry Brigade, 1939-1940