What happens to my McCafé Rewards Card stamp on 12 September? October 05, 2022 01:20 Updated All stamps will expire on 12 September, you will not be able to earn any stamps after 11 September. Related articles Why is the McCafé Rewards Card discontinuing? Will I be able to redeem my rewards after 12 September? Can I earn a stamp on 12 September? I purchased a McCafe drink ala carte before September 12 and my stamp was not credited. Can I get a free drink? Are these products permanent items?