Middlesex 40, Young's (Dalton & Hamer, page 96)

Denomination: penny, scarcity: Unique
40. O: Blank.
    R: Upon a raised rim, MATHEW . YOUNG . GOLDSMITH . AND . JEWELLER *
       In the centre, in six lines, DEALER . IN | COINS & MEDALS | ANTIENT & 
       MODERN | NO. 16 | LUDGATE . STREET | LONDON.

This is a proof of the reverse die of No. 41 on a thin white-metal flan,
with the word MATHEW.

No. 40, unique.

Keywords

blank_side,mathew young goldsmith and jeweller,dealer in coins medals antient modern no 16 ludgate street london