3 carnival glass vases, 3 makers. Northwood, Fenton, and Millersburg. Which is which?

Presented for your perusal and discussion are these three very similar Carnival glass swung vases all made circa 1910-20. All are approximately 12" tall, with a 4" base.Though at first glance they appear very similar they each have distinguishing features which lead to their makers. Each has a different name. One is made by Northwood, one by Fenton, and one by Millersburg. Which is which. What are their names and which one can actually be considered rather rare?

 

Good guess but no on the makers. You may be partially right-or not. Let's see if anyone nails it first.

We collected Carnival for years. Actually had a pretty advanced collection at one time.
An example, We had 7 Good Luck bowls all in rare colors including a stippled Renningers blue and an aqua opal. As a matter of fact that Renningers blue bowl is one of the reasons that color exists. One of my customers was Tom Burns, at the time the #1 Carnival glass auctioneer in the country. I sold him a stippled strawberry bowl in an "odd" blue for $1500 many many years ago. Shortly thereafter I ran into a beaded bullseye rosebowl in this same peculiar but spectacular medium blue shade. This I also sold to Tom. A little while later we decided to break up the collection. Our Good Luck bowl in the exact same brilliant blue went to Tom. All three of these transactions took place at Renningers Antiques Market in Pa. We joked that the color should be called Renninger's blue because all the known pieces (My three) in that color "turned up" at Renninger's. Well sure enough he advertised the Good luck bowl as "Renningers Blue" in his next auction because of these three pieces, that I had sold him, in what was at the time a unique color. From there the name stuck and it is today a commonly accepted and understood rare variant in Carnival collecting circles. I say rare variant for another reason. Both bowls, the Strawberry and the Good Luck, had stippled backgrounds and slightly larger than normal bases. Both of these characteristics are very rare on Carnival pieces in normal colors, but do turn up on pieces in rare colors. Just about all Renninger's blue bowls known today have stippled backgrounds. All three pieces had SPECTACULAR iridescence and sharp mold work leading me to believe they must have been done with more care than the general run of production.

These were all by Northwood BTW

That's my small contribution to the collecting world. A carnival glass color. But I'm still proud.
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Bingo!!! The Millersburg Hobnail swirl being by far the most desirable.

 

Yes, all from the same mold.
They also made a plain hobnail. This is found in table sets and pitchers along with the swung vase, rose bowl, and cuspidor.

All nice stuff.

 

We knew Mr. and Mrs. Sharp quite well. Their son was also very involved in the hobby as I recall. He had the Midas touch for finding rare pieces.

We broke up our carnival collection 15 or 20 years ago.

 

Haven't seen Tom in years. If you happen to bump into him tell him THE Bottle guy said Hi. He probably wouldn't remember Don right off... but he'll for sure remember THE bottle guy.

I do see one of Tom's ol' chums from time to time but for the LIFE of me I can't remember his name. It'll come to me. I bet you know him.