i would like if anybody can give me information regarding world war two bottle coke. These coke bottles are stain free dispite years of exposure to elements. the botton of these bottles like they have small dot or like drip marks of somekind of lamention. The other bottles together with this bottles have crystal like apperance on both inside and outside. but these bottles they dont have. they look like brandnew 1945 or 1944 coke bottles. thanks.