558H Snails, comparison of Type 1 (left) and Type 2 (right) issues. Type ones have a more delicate formal hole pattern than the Type 2's, while the Type 2's are noticeably larger. The "P" of the Type 1 typically points away from the small end while the Type 2 "P" typically points at the small end. These glazes, rosetone on the left and redbud on the right, are commonly confused by collectors.