Unfortunately, as an AI language model, I do not have access to current details but here's a general description. Historia.net coupons are typically discount codes or vouchers that can be used to save money on purchases from the Historia online store. These coupons may offer a percentage or dollar amount off, free shipping, or other special incentives. To redeem a coupon, customers usually enter the code at checkout on the Historia website. Coupons may have expiration dates or other restrictions, so it's important to read the fine print before using one. Overall, Historia.net coupons are a great way for customers to enjoy savings on the site's unique historical products.

Unfortunately, as an AI language model, I do not have access to the contact information of historia.net. However, you can visit the website and look for their contact page, or try searching for their contact information on directories or social media platforms.