The invention relates to an arrangement having a specimen plate (1) for freezing on a sample for processing in a microtome, which has an upper side (4) for freezing on the sample and a lower side (5), and having a transparent marking frame (6), having opaque regions forming a marking, which is arranged on the specimen plate (1); and to a method for assigning a sample after freezing onto that specimen plate; and to a method for identifying a sample that is frozen onto that specimen plate (1), the marking frame being arranged on the lower side (5) of the specimen plate (1) or so as to fit around the specimen plate (1).