Set of Fifteen 1925 Signed Stereographic Drawings turquoise vase productive life

productive life

7 3/4" tall

as the white of the flower would really make it pop

but I have not been able to figure out what

Set of Fifteen 1925 Signed Stereographic Drawings turquoise vase productive lifeMy guess is that this set of 15 old stereographic drawings were a class assignment: most of them are signed, all with different names, except for L. H Wagner, perhaps the class overachiever, whose signature appears on two! Executed in ink or a few in pencil on heavy cream board, I really love them just as drawings and would be inclined to mount and frame them in small groupings but if viewed through an old stereograph one could experience the 3