1894-1901 "Mols" issues, a collection including a selection of Waterlow Specimens and trials, imperf. plate proofs of 3f. 50 and 10f., shade and perf. varieties including 3f. 50 perf. 14x12½ and 10f. perf. 12x14 (crease), both unused with part original gum, a study of plate flaws also envelopes/cards (several hundred)

Details
1894-1901 "Mols" issues, a collection including a selection of Waterlow Specimens and trials, imperf. plate proofs of 3f. 50 and 10f., shade and perf. varieties including 3f. 50 perf. 14x12½ and 10f. perf. 12x14 (crease), both unused with part original gum, a study of plate flaws also envelopes/cards (several hundred)