Questions about “Grease, Rifle” history

[LavaTech]

There were three rifle grease plastic tubs used that I am aware of. The first is Lubriplate brand marked and has a golden yellow lid with rounded knurl. The tub has a flat bottom with rounded edge. The second is identical to the brand marked tub but is instead marked "GREASE, RIFLE". The tub and knurl is the same. The third has a new container and lid also marked "GREASE, RIFLE" but with concave bottom and squared edge and has a lid that is bright yellow with a very different and easier to grasp knurl.

If I am not mistaken, the intermediate tubs had remnants of lubriplate inside when I acquired them at Northridge about 12 years ago.