WP230: Czechslovakia - 1974: 20k
WP231: Mozart - Liechtenstein - 1991: 35k
WP232: Czechslovakia - 1970: 25k
WP233: Czechslovakia - 1968: 65k
WP234: Czechslovakia - 1968: 50k
WP235: Czechslovakia - 1968: 50k
WP236: Czechslovakia - 1968: 60k
WP237: Bỉ: 200k