The picture shows a view of all (6) Different Audubon Society Advertising Bird PinBackButtons in this lot. The years that these pinbackbuttons were made are unknown but some are old. There are (2) celluloid ones and (4) tin ones. Each pictures a bird including an eagle, crane, duck, blue jay and more. The second one has a paper insert in the back and four of these have Union marks. The fronts and backs of these are marked as follows:
NATIONAL AUDUBON SOCIETY JUNIOR MEMBER PRINTED IN U.S.A.
AUDUBON SOCIETY BASTIAN BROS. CO. M'F'R'S OF RIBBONS MEDALS ROCHESTER, N.Y.
AUDUBON SOCIETY
NATIONAL AUDUBON SOCIETY JUNIOR MEMBER MADE IN U.S.A.
NEW HAMPSHIRE AUDUBON NATURE CENTER BASTIAN BROS. CO. ROCHESTER, N.Y.
AUDUBON NATIONAL AUDUBON SOCIETY JON HOWARD ASSOCIATION, INC. NEW YORK, 10022
To judge the sizes the largest pinbackbutton measures 1-1/2'' wide. These appear to range from excellent to mint condition as pictured.