Shoe is not marked, but I think it was made by Fenton.
Fenton Carnival Glass Daisy Button Iridescent Red 6" Bell With Threaded Handle
Vintage Fenton slipper shoe crystal clear daisy button - 3
Fenton Blue Glass Daisy And Button Pair Candlestick Holders 5 In Tall
VINTAGE FENTON ART GLASS ~ AMBERINA SLIPPER SHOE ~ DAISY & BUTTON
Vintage Fenton Satin Custard Daisy & Button Glass Bell GLOWS 6" Height
VINTAGE FENTON GLASS / BLUE SATIN / DAISY & BUTTON/ BELL/ 1969/ ART GLASS