While there are no visible markings, there is some evidence of use. This is a 2027 edition reference book for SPI3 test preparation, including tests and explanations. - Title: This is the Real SPI3! 2027 Edition - Contents: Includes SPI3 test preparation tests and explanations - Features: Contains three different types of test formats - First Edition: First edition published - Target Audience: For those taking the SPI exam Thank you for viewing.