Joseph Calleia · birth centenary

2 rekords ta’ bolli · 6c / 22c

Basic ordinary postage types plus separately documented major watermark, paper, perforation or denomination differences. Excludes unchanged reprints, errors, marginal positions and repeated presentation formats.

• Farrugia, Anniversaries and Pioneers in Education, PSM 30(1), pp. 8–11 ↗
• Farrugia, 1997 diary and issue studies, PSM 28(2), pp. 19–34 ↗