FN 19/9/68. I have:
XP548, 555, 556, 557, 558, 559, 560, 564, 565, 566, 567, 568, 583, 584, 585, 586, 667, 671, XR643, 656, 673, 681, XS178, 181, 481.

Abingdon, 14/6/68, I have:
1FTS: XP627/40, XP633/41, XP637/42, XR657/37, XR665/38, XR700/46,
2FTS: XP620/43, XP628/47, XP641/34, XP664/42,
3FTS: XP663/59, XP687/60, XR654/51, XS220/47
6FTS: XP585/45, XP634/40, XR644/51, XR674/46, XR706/62, XS180/61