Marian Martin patterns, they were advertised in newspapers and were generally quite economical - this one sold for fifteen cents when some of McCall's elegant embroidered smock patterns from the same period sold for three times as much. A seasonal circular was also produced for fifteen cents. These patterns didn't come with paper envelopes in addition to their mailing envelopes.
several patterns available, patterns have been cut out, it appears all papers are there. Patterns range from the 1950’s - 1970’s