Greetings from Crystal Lake

Front:
Greetings from CL ⒸCURT TEICH & CO. INC. G-221 ILLINOIS

Back:
AERO DISTRIBUTING CO., INC., CHICAGO, ILLINOIS GENUINE CURTEICH-CHICAGO "C.T. ART-COLORTONE" POST CARD (REG. U.S. PAT. OFF.) OC-H1771 ILLINOIS SELECTED VIEWS OF CRYSTAL LAKE, PLACE