1940 Alderman with rose gold case, copper face and rose gold Speidel replacement band. I purchased this based on photos that made it look like yellow gold, plus it was filthy with what looked like mucilage glue over about 50% of the surfaces. I thought I was buying a Stamford with a dirty dial (same case in yellow gold) what a surprise.
Band is an early 60's replacement and a perfect color match. It's not ad correct, but works for me, love the rose bands. Many jeweler's marks in the case, the latest identifiable one is from 1983.
Great engraving on the back.