I can't say for sure on the value but its in that 500 range give or take.
Many of those duo tones were originally Birdsong finishes. Again I'm not sure of the dates and what or if they used other finishes.
I know the did use Birdsong.
In Memory of Paul "Dietrich" Stines.
Dad: Say something nice to your cousin Shirley
Dietrich: For a fat girl you sure don't sweat much.
Cue sound of Head slap.
RIP Muggsy & TMan
"If you are a warrior legally authorized to carry a weapon and you step outside without that weapon, then you become a sheep, pretending that JOCKO will not come today."