The Plumes on your Two Pence
These are MacKenzies and the later 1980 and 84 updates descriptions. (I gave each entry a different colour for ease of reading, because the formatting ran it all together).
Rev Usage Plume Description
Aa
Bfdc set, Curr.71.
1
Has an incuse line above and below the jewels in the crown band. The triangles at the bases of the crosses and lis, just above the crown band, are quite distinctly cut.
Issued in speciman sets, incuse lines to the middle of the crown. 2nd upright of N points slightly right of a bead.
Ab
Curr.71.
1
Does not have any incuse lines, and the triangles are only faintly discernible.
Ac
Curr.71.
2
Has recut plumes, which do not seem to have been repeated, so far, in other coins.
Large triangles on top of crown.
Ad
Curr.71,75 Proof 71.
3
Again has had the plumes recut, with the central one particularly noticeable.
More numerous and straighter lines on left plume with central line directly throught it.
Ae
Curr.75,76,77,80 Proof 72-75.
4
Similar to reverse D but thicker raised lines on left plume curving more to the left. This was probably the result of using old dies.
Once again has had the plumes recut, with the central one is especially recognisable.
Left plume has no central line through it and thicker raised lines curving more to the left, also used for some of thr proof two pences.
Ag
Curr.77,78,79,80,81.
1
Similar to Rev B, but has a scalloped ledge between beads and rim.
Similar ro reverse B but with thicker and fewer lines to left plume and curving even more to the left. Second upright of N of NEW points to the right of a bead.
Ah
Circ 79, 80 and 81
6
Similar to Reverse D but with the left plume being of flatter appearance, and the thin raised lines curving more to the left. The central line running through the plume reappears.
Bf
Curr.75,76,80 Proof 72-81.
5
Also has recut plumes, and a distict central one.
Ci
BU set, 82-84
7
This most resembles 1971 reverse B and 1977-80 rever4se G in style regarding left plume. The 1982 date only found in specimen sets issued to the public.