https://www.csrmandate.org/reckitt-unveils-unique-commemorative-stamps-honouring-indias-sanitation-heroes/
Nov 27, 2025 - National: On World Toilet Day, Reckitt, a global leader in health and hygiene, unveiled a historic tribute to India’s sanitation workforce, the backbone of...
commemorative stampsreckittuniqueindiasanitation
https://www.answers.com/collecting-hobbies/Are_commemorative_stamps_valid_postage
Certainly, that is what they were created for, to serve as postage. Just make sure the total face value of the stamps equals the appropriate rate for the...
commemorative stampsvalidpostageanswers