When you know you're not forgotten by the girl you can't forget

Printed in colors on heavy white paper in postcard format; text on recto in green, on verso in black. At head of text illustration of man watching woman mail a letter. First line same as title. Words and music of song chorus. Name of author of lyrics not on item; J. Fred Helf wrote the music. "By permission of Copyright 1906 by Helf & Hager Co. Inc. 48 W. 28th St., N.Y."--Colophon. "No. 4600 Music Series"--Verso.