Product Description
Education set - the three lower values SG 582-5 5c,11c,15c stamps, plus 2x1c shrimp, 2c crab airmail letter to UK Adelaide SA 28 February 1975.ACSC 682-4.
Postmark: ADELAIDE / S-AUST - 5000 28 FE 75.
Clean & colourful cover, probably philatelic.