1989 MILITARY UNIFORMS OF 1815 Scott #509, SG #535-9
Printed in se-tenant strips of 5.
1989 MILITARY UNIFORMS OF 1815 OVERPRINTED FOR "PHILEXFRANCE" INTERNATIONAL STAMP EXHIBITION
Scott #510, SG #540-4
Printed se-tenant in strips of five.
These were the last stamps printed by the Format International Security Printers Ltd. for Saint Helena. The company soon after went into bankruptcy.
References taken from:
Stanley Gibbons St. Helena and Dependencies
Inventory list for the Format Archive by Robson Lowe