Watch List notes:

TEN SHILLINGS, Collins/Allen (1915) No. M 521562 M (R.2cF) first prefix and suffix. Flattened of many vertical folds, three margin splits, otherwise nearly fine and very rare.

Ex Roy Brook Collection and Downies Sale February 1980 (lot 83) and Caldwell Collection, Noble Numismatics Sale 118B (lot 4274).