October is National Breast Cancer Awareness Month, when post offices make a special effort to sell the postage stamp that raises funds for research.

The stamp currently sells for 60 cents. The additional 11 cents over the first-class postal rate helps fund breast cancer research at the National Institutes of Health and the Medical Research Program at the Department of Defense. The stamp has raised $80.9 million for breast cancer research since its creation in 1998.

In September, the Senate called for the stamp to continue on sale through 2019. However, the House version of the bill appears stalled in committee.

The Carl Junction, Missouri, post office hopes to retain its crown as the top seller of the Breast Cancer Research semi-postal stamp. Last year, “CJ” sold more than $49,000 worth of BRC stamps.

The Nevada, Missouri, post office is taking the challenge. Postmaster Julie Mader says she used to work with Carl postmaster Sharon Clark in another town. Mader says it’s more than just a fun competition, because everyone knows someone who has had breast cancer — such as Clark.

At the Gulfport, Mississippi, post office, employees are wearing pink and handing out pink cupcakes, cookies and candy to boost BRC stamp sales.

According to WLOX-TV, Mississippi has been tops in BRC stamp sales for the past three years.

“It’s our opportunity to give back to something that everyone has been impacted by,” Gulfport Postmaster Larry Delahunt told the station. “I don’t think there’s anyone you know that hasn’t been impacted by someone with breast cancer, so it’s personal and dear to almost everyone, including here at the post office.”