This is a pre-owned 7 round factory magazine for the Walther PP/ PPKS 380 acp / 9mm kurz.
One side is marked with the with the Walther logo with Cal. 380 ACP below it and the other is marked with the Walther logo with 9mm kurz under it. These magazines were not in a packages when acquired but have little to no signs of use.
*Note the picture does not have the Walther Logo on it, these magazine will have factory markings as stated above.