Postage Due stamps. 1920-21, St. Stanislas Cathedral, 32 imperforated proofs (eight blocks of four) of 5m in different colors, printed on white, grayish or yellow paper, no gum as produced, VF and scarce group (Image)

Postage Due stamps. 1921, St. Anne's Church, 20m red, three imperforated blocks of four, double, triple and printing on both sides, one block has tiny soiling spot and minor scissors' separation, fresh otherwise, no gum as produced, NH, VF (Image)