1923 Dress, The Winslow Boy & Enchanted April

For years my mother and I have loved the film "The Winslow Boy"(the 1999 version). The film is set around 1913, if I remember correctly. The character played by Rebecca Pidgeon wears these delicious drop-waist dresses that weren't very common in the 1910s. There were little pockets of fashion where these sneaked out, and I've tried to hunt them down. Wh…