One hundred postmarks (no duplicates), for any one of the following United States stamps: 90-cent, issue of 1851-'60, 1861, 1869; 24-cent, 1851-'60, 1869; 30-cent, 1869; 5-cent and 10-cent, 1847.

Hallett Chapman,
P. O. Box 543, Flushing, Queens Co., N. Y.


An English stamp, for a leaf from any of the trees mentioned in the article entitled "Historical Trees of the United States," in Harper's Young People No. 83. Exchangers please write before sending exchange.

Willard B. Dunnegan,
Bolivar, Polk Co., Mo.


Old issues of United States postage stamps, and stamps from Cuba, Japan, and Europe, for stamps from Asia and Africa.

George D. Dibbell,
P. O. Box 166, Bound Brook, Somerset Co., N. J.