Envelope with Loveland, CO circular postmark dated FEB 26 PM 1975 and a slogan cancel reading 'HAPPY VALENTINE TO COLORADO & USA 1877 LOVELAND 1977'. Blue ink handwriting address to New England Rabbitry Supply, North Middleboro, Mass. 02346. Return address label reads 'Mr. & Mrs. Estel J. Schultis, 3004 North County Road 13, Loveland, CO 80537'; 13¢ US flag stamp present
Notes for Cover Collectors: • High-resolution scans of front and back are provided; use zoom to inspect postmarks, cachet details, and backstamps. • No third-party grading; condition is shown in the images.