| Used (Good) | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$1.62 | A$13.56 | BRICKMATEY (114) Shipping A$11.94 Minimum Order A$3.47 | |
| Used (Good) | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$2.29 | N/A | The Brix Mix 2 (138) Request a Shipping Quote Minimum Order A$7.70 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 377 | A$2.35 | N/A | BearBricks.pl (29) Does not ship to AU Minimum Lot Average A$0.61 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$2.46 | A$23.51 | BSW Bricks (448) Shipping A$21.05 | |
| Used (Good) | Reddish Brown Professor Sinistra Minifigure Head | 22 | A$2.52 | N/A | Brick Mine 2020 (546) Request a Shipping Quote | |
| Used (Like New) | Reddish Brown Professor Sinistra Minifigure Head Used (Like New) | 15 | A$2.78 | A$14.63 | Sky bricks shop (179) Shipping A$11.85 Minimum Lot Average A$2.12 | |
| Used (Good) | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$2.99 | A$6.68 | Saviory Bricks (4174) Shipping A$3.70 Minimum Order A$6.36 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 24 | A$2.99 | A$14.81 | RoyalBrick (104) Shipping A$11.82 Minimum Order A$8.10 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 4 | A$3.13 | A$12.48 | LS_Bricks (81) Shipping A$9.36 Minimum Order A$28.18 | |
| New | Reddish Brown Professor Sinistra Minifigure Head Hollow Stud | 1 | A$3.14 | A$15.14 | Brick Den AU (1014) Shipping A$12.00 Minimum Order A$10.00 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$3.29 | N/A | Brickville (135) Request a Shipping Quote Minimum Order A$8.10 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$3.32 | N/A | One Stop Bricky (797) Request a Shipping Quote | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$3.73 | A$14.76 | Bricks By Tagus River (310) Shipping A$11.03 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 5 | A$3.76 | A$26.25 | mylostbrick (2263) Shipping A$22.48 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$3.89 | A$7.59 | Saviory Bricks (4174) Shipping A$3.70 Minimum Order A$6.36 | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$4.04 | A$33.30 | BricksfromColorado (1274) Shipping A$29.26 | |
| Used (Good) | Reddish Brown Professor Sinistra Minifigure Head pre owned condition - may have slight scratches | 1 | A$4.62 | N/A | Play Build Create (77) Request a Shipping Quote | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 1 | A$5.53 | N/A | Teton Bricks (342) Request a Shipping Quote | |
| New | Reddish Brown Professor Sinistra Minifigure Head | 3 | A$6.01 | A$31.42 | Marlowe and Moore Store (89) Shipping A$25.41 Minimum Order A$7.70 | |