4 Burlington, NJ Mayrose Postcards, undated

Two sets of 2 postcards. St. Mary's Church and Wilbur Watts High School of Burlington, New Jersey are the subjects. Printed be The Mayrose Company of Linden, NJ. No writing on any, but one has a small corner crease. Pre-2000 for a date, but actual dates are unknown. Priority Mail is recommended, but Media mail is an option.