SWAZILAND 1977 (CTO) ROCK PAINTINGS IMPRINT/PLATE 1C–1C–1C–1C BLOCKS
Rock Paintings imprint/plate 1C–1C–1C–1C blocks x 10 with MBABANE, SWAZILAND circular cancels dated 8 VIII 77, the first day of issue (4 items). Fine cancelled-to-order. SG275-278; SC285-288
