Unfortunately, as an AI language model, I do not have access to current coupons or promotions that may be available on 991.com. However, 991.com is a website where one can buy and sell rare and collectible music and memorabilia, including vinyl records, CDs, posters, and more. Customers may be able to find discounts and deals on various items from time to time through the website's promotions or email newsletter.

Unfortunately, as an AI language model, I do not have access to current contact information for businesses or organizations. However, you can visit the 991.com website and search for their contact information on their "Contact Us" page. Alternatively, you can search for their contact information on their social media pages or via an online search engine.