Identification guide for designs of United States stamped envelopes, wrappers, and letter sheets.

Identification guide for designs of United States stamped envelopes, wrappers, and letter sheets
one and eight-tenths cents

There is only 1 design of an indicium whose face value is one and eight-tenths cents. It is:

Volunteer Yourself

design U115

You have identified design #U115, diagnostic for
Scott #U568(printed in blue-green on white paper).