Info wanted!

January 24

I'm looking for information about this jump wing.

One of its distinguishing features is the sharp - rough inner wing.
I've seen several of this type. Sterling is always stamped, but it could be stamped anywhere.
Is this a WWII wing, a later version, or a replica?

7,152 · January 25

I come across these every now and then as they aren't scarce nor are they very common. With this wing the part that stands out to me is the pronounced zig zag horizontal line across the parachute skirt that other manufactures tend to leave off their wings or are so lightly incised that they disappear with light polishing. I don't think anyone knows who made these as I've yet to find one on a card or inside of their original box. From the ones I have come across they have an incised STERLING hallmark somewhat centered in the middle of the chute above or below the level of the pin or upside down along the right side wing like your piece. The chute is always hollowed with those cheap looking drop in pivot pins that you see on US made DUIs. I have attached photos of another (Photo 1 & 2) with the incised STERLING hallmark centered below the pin and the same wing compared to the standard wing (Photo 3 & 4) that followed the drawing (Photo 5) of what a paratrooper wing should look like by the designer (General William P. Yarborough) who had it patented back in I think 1942. So this is a nice variant to collect as it differs from the standard looking wing. I have attached photos of two others with the incised STERLING hallmark above the level of the pin and like yours upside down on the right wing (Photo 6 thru 9). They were also made in clutch back (Photo 10 thru 13) and some collectors feel that these are WW2 era clutch back paratrooper wings because of the way the pins are attached to the metal surface with the lack of the nail head. So for these reasons this is probably a WW2 era piece. The last wing (Photo 14 & 15) is slightly different with a deeper hallowing and post WW2 clutch back pins. So this company whoever they are probably continued to make this wing after the war.