Watch List notes:

The Abramson Collection of English Coins | Scotland, Charles I (1625-1649), 12-Shillings, 1637-1642, Class I, 5.87g, 6h, m.m. B [below bust] (Spink 5558), beautifully toned, a really good very fine, scarce in this condition.
Provenance
The Dr Tony Abramson Collection of English Coins
Purchased November 1987, £80
Estimate: £300 - £400