couldn't the farm store have gotten them as a large mixed order?who knows what hatchery it came from? you can call the strore and ask them maybe where they got them if you can give them an estimated date ? If it came from a hatchery that doesn't have the Appenzeller Spitzhauben then you'll know right away it's not them for sure and you can continue to narrow down.You can also maybe find the hatchery website once you have a possible idea where they were ordered from and maybe match photos to their breeds? I know we get ours cheaper at the farm store because they just throw in several hundred chicks of mixed breeds male and female and it saves them money.