A recommendation letter with a signature is a formal document written by an individual, such as a previous employer, professor, or colleague, to endorse or support another person's qualifications, abilities, and character. The signature of the person writing the letter adds authenticity and credibility to its content. There are various types of recommendation letters that include a signature. Some of them are: 1. Employment Recommendation Letter with Signature: This type of letter is commonly used in professional settings where an employer or supervisor provides a written assessment of an employee's skills, work ethic, and overall performance. The signature of the employer adds weight to the recommendation and indicates their approval. 2. Academic Recommendation Letter with Signature: Typically requested for college or graduate school applications, this letter is written by a teacher, professor, or academic adviser who can vouch for a student's academic abilities, achievements, and potential. The inclusion of a signature reinforces the credibility of the letter and the recommender's endorsement. 3. Personal Recommendation Letter with Signature: This type of letter is often requested in non-professional contexts, such as volunteer work applications, community involvement, or personal references. Friends, family members, or close acquaintances can write these letters to testify to an individual's character, personal qualities, and moral values. A personal signature further strengthens the reliability of the letter and the writer's relationship with the person they recommend. Regardless of the type, a recommendation letter should include specific details about the person being recommended, highlighting their strengths, accomplishments, and unique qualities. It should also mention the recommender's relationship to the person and their capacity to assess their abilities. The signature serves as a way for the recommender to stand behind the content of the letter and take responsibility for its accuracy.