If he is a standardbred and registered with the USTA he would have a lip tattoo or a freeze brand on his neck. They only started using freeze brands in the United states a few years ago. Its possible, depending on location, that he was not registered as standardbred, ie, some standies or standardbred/crosses coming out of Amish country are not registered with the racing association. I met a interesting standardbred/percheron cross that came out of Amish country. I am not sure if he is a standie or not, but he looks sweet! I hope you two have a great time together no matter what his breed.