South Africa 1942 Bantam 1½d Marginal Slogans Not Printed Block

1942 Bantam War Effort 1½d red-brown Airman MARGINAL SLOGANS NOT PRINTED (SG 99var / UHB 91 v10). Superb UM right marginal block of four (2 units) with blank margin. Fresh, scarce. See additional image below.