These three mags came in a box of old reloading supplies I bought. 1 and 2 appear to be for the same pistol, regular and high capacity.
380 ammo fits correctly in all three, but they may be 9X18. 9MM luger is too long.
1 and 2 have a width across the back of .448 inch, number 3 is .458 inch wide.
1 and 2 are stamped on the base "made in USA by D&E", no stamping on number 3.
Thanks for any assistance.
Left looks like a Star S-Super, SM-Super (cal 380) magazine.
All the S-Super pistols used the later style 'wide base' mag.
The middle mag (extension mag) may be intended to fit the same pistol. The magazine base style wouldn't be of concern of course.
IIRC the S-Super mag (or the narrow base earlier Model S pistol mag) will also fit the Model D and DK .380 pistols. Both will hang down below the frame of the compact Model D but offer a couple extra rounds capacity.