ROBERTS & SONS, BENDIGO to CHALLENGE WINDMILL & FEED MILL, ILLINOIS
The blue 2½d ‘STAMP DUTY’ QV stamp of Victoria is postmarked with a BENDIGO/ 3 F/ AP 24/ 00 duplex, and the cover is addressed to Challenge Wind Mill & Feed Mill Co., Batavia. Ill (Figure 1). The reverse has a blue printed double oval ‘A. ROBERTS & SONS/ BENDIGO/ VICTORIA/ ENGINEERS’. There is a transit SAN FRANCISCO CAL/ JE ( )/ ( ), as well as an overlying indistinct