Your search for "new yorker" revealed the following:
The New Yorker August 4, 1951
$20.00Summer camp cover. A slender issue (60 pages). Some browning to edges.
The New Yorker magazine Jan. 29, 1938
$20.00Nice old copy. Great cover...New York art scene crowd in black in front of colorful modern art. Thurber, Genet, Benchley,...
The New Yorker December 30, 1950
$20.00Old copy of the New Yorker, with an abstract expressionist/New Years party cover.