Middlesex 318, Hall's (Dalton & Hamer, page 132)

Denomination: halfpenny, scarcity: Extra rare (RRR)
318. O: A toucan sitting on the branch of a tree. TO . THE . CURIOUS . OBSERVERS .
        OF . NATURAL . PHENOMENA.
     R: THE 1ST ARTIST IN EUROPE in four lines in the centre. T . HALL . 
        PRESERVER . OF BIRDS . BEASTS . OR . REPTILES. CITTY . ROAD . NEAR .
        FINSBURY . SQAURE . in a double circle.
     E: PAYABLE AT LONDON . + . + . +

No. 318, RRR.

Keywords

to the curious observers of natural phenomena,the 1st artist in europe,t hall preserver of birds beasts or reptiles,citty road near finsbury square