ORIGINAL: cowseatmaize
I'm no Coke expert but didn't the hobbleskirt come out in 1915?
http://www.ebay.com/itm/ORIGINAL-1917-1919-Coca-Cola-Coke-SS-Straight-Sided-Bottle-Label-RARE-VINTAGE-/290819620606?pt=LH_DefaultDomain_0&hash=item43b6333efe
A suppose there were still strait sides for the product bottles but I don't think the labels were used on them.
I'm just asking.
"WORLD'S ONLY FULL Purple Amethyst Coca-Cola Coke bottle SS Straight-Sided RARE "