This is a Fenton white milk glass hobnail miniature candle bowl. The bowl is 4" wide and 3 1/4" tall. It is item 3873 in the Fenton catalogue. Fenton made hobnail in white from 1948-2012, but this is from 1978 or later as it does have the logo on the base. It in excellent condition with no chips or cracks. Please see my other items for more in this pattern.
Fenton Hobnail Milk Glass 3873 Miniature Candle Bowl Scalloped Rim