A set of four unused insect stamps issued in Australia in 1991. No hinge marks. - Hong Kong, Butterflies, set of 4 - Laos, Butterflies, set of 6 - Colombia, Butterflies, set of 6 - Denmark, Butterflies, set of 4 - Spanish Sahara, Ifni, Day of the Stamp, Insects, set of 3 - Ethiopia, Butterflies, set of 5 - Zambia, Butterflies, set of 4 - Norway, Butterflies, set of 2 - Nicaragua, Butterflies, set of 7 - South West Africa, Insects, set of 4 - Poland, Butterflies and Moths, set of 6 - Mali, Insects, set of 5 - Soviet Union, Insects, set of 5 - Cyprus, Butterflies, set of 3 Added. - Thank you.