The Robin Hood Powder
Company was founded in
1898 in Swanton,
Vermont. The company
was reorganized into the  
Robin  Ammunition
Company in 1906 with
the addition of metallic
cartridges. They sold to
the Remington Arms
Company in 1915.   As
you can see this
cartridge was produced
in 1903.
Robin Hood 1903  12 Gauge