59 Sheets: incomplete series of numbered drawings (very fine) of various altars [perhaps used as a kind of catalog], signed and initialled by P.J.H. Cuypers, quoting Cuypers & Stoltzenberg, Roermond, stamped with *P.J.H. Cuypers archives* quoting negative numbers: 976, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1028, 1029, 1030, 1031, 1033, 1034, 1035, 1036, 1038, 1039, 1041, dating 1852-1862, 1894.