FYI, Personna had a history of backward wrapping blades. It is unclear if they are seconds or a different blade than what is on the wrapper, or even the correct blade, but the backward wrapper was put on to sell it as another type of blade (i.e. P74 sold as hospital blade). Vintage Personna Hospital Blades - https://www.badgerandblade.com/forum/threads/vintage-personna-hospital-blades.302473/