EXPC1. Wm. H. Martin, copyright 1908. Published by the North American Post Card Co., Kansas City. Our County Fair Contest on corn. Used, postmarked Aug. 17, 1910. One cent green stamp. VG. $35
EXPC2. Wm. H. Martin, copyright 1908. Published by the North American Post Card Co., Kansas City. Pumpkins Grown in Texas Soil and Profitable. Unused. VG. $35
EXPC3. Martin Post Card Co., copyright 1908. A Load of fancy Poultry. Unused. VG. $35
EXPC5. Wm. H. Martin, copyright 1908. Used, postmarked Jul. 6, 1909, Mishawaka. 1-cent green stamp. VG. $40
EXPC6. Canadian Post Card Co., Toronto, copyright 1910. Good corn makes good Hogs. Used, postmarked Apr. 25, 1910, Toronto. 1-cent green Canadian stamp. VG. $35