They have wood residue where the fretboard would be but I cannot find anything about these necks that might identify their pedigree.
#5 of 7, LOT OF 2 NOS VTG MANDOLIN STRINGS - "La Tosca steel strings for artist"
Lot of 2 CONGAS Conga's - Matador Natural 11 3/4 Conga 12 1/2 Tumba
6” Vintage Wooden Flute/Whistle Birds Lot Of 2 #2
Lot of 2 complete piccolos plus 2 body joints
Lot of 2 Cooperman Fife & Drum Co. Jaw Harps and Instructions
Vintage Bowl Back Mandolins - Lot Of 2