Martin, J. Alex
(1) Alex. Castermann, 2003-21. 3 var. issues. 2 sc, 1 hc. (2) De reizen van Alex. Castermann, early 2000s. 5 var. issues. Sc. (3) Alex Senator. Castermann, 2012-2022. Nos. 1-13 (lacking no. 3). Sc. -and 11 others, incl. Cleopatra and De tombe van Alexander.
(total 31)