1973

SG532 with "black dot on M" (BW624g)

SG533 with "pink partially omitted" (BW623c - footnote)

SG536 with major colour shift

SG546 with "vertical weakness" (BW637d)

SG546 with "two orange dots on large nipper" (BW637f)

SG546 with "broken d in Fiddler" (BW637h)

SG546 with "retouch below left of '2c'" (BW 637i)

SG546 with weak "fi". Unlisted

SG554a (Perf 14x15) with variety "broken line on hill" (BW651d)