The current Renniks Australian Coin and Banknote Values catalogues lists just two Australian decimal notes with Plate Identification Letters (PILs). These are the 1991 $10 R-313a (Fraser/Cole) and 1991 $50 R-513a (Fraser/Cole). This article will display locations of PILs on other decimal notes.
Australia 1972 to 1982 $1 Notes
PIL not obverved prior to 1972 R-74 Phillips / Wheeler $1 note. 1972 R-74 Phillips / Wheeler $1 note seen with and without PIL. All $1 notes AFTER R-74 (R-75, R-76, R-77, & R-78) sited with PIL only. PIL can be found just below the portrait of the Queen on the front of the note. The PIL is just to the right of the line drawing of the bottom jewel of cloak adornment.
Australia 1974 $2 R-86 (Knight / Wheeler)
Currently observed PIL on OCR-B Centre Thread (R-86b) and Side Thread (R-86c). PIL can be found in curl of wool immediately above and to the right of rear leg of ram on front of note.
Australia 1974 $5 R-205 (Phillips / Wheeler)
Currently observed with and without Plate Identification Letter. PIL can be found in first gumnut up from the bottom of the branch immediately to the left of the portrait of Banks on the front of the note.
Australia 1988 $10 R-310a First Issue (Johnston / Fraser)
Currently observed with Plate Identification Letter. PIL can be found in the upper foliage of the tree immediately above the numeral 0 of 10 on the lower left front of the note.
Australia 1989 $20 R-412 (Fraser / Higgins)
Currently observed with Plate Identification Letter. PIL can be found just among the swirls just the left of the neck of the portrait of Kingsford-Smith on the front of the note.
Australia 1973 to 1993 $50 Notes50
PIL obverved on all $50 notes from 1973 R-505 Phillips / Wheeler $50 note up to 1990 R-512 Fraser / Higgins $50 note. PIL obverved on some 1991 R-513 Fraser / Cole $50 notes, and some without PIL. The 1991 $50’s with PIL seem to be very much in the minority. No PIL obverved on any 1993 R-515 Fraser / Evans $50 notes. PIL can be found on the bottom left bookshelf on the front of the note. The PIL is found near the top of the rightmost book on that book shelf.