Hello, I hope you enjoy seeing these. Hard to tell the difference from the scans because the difference is in the perforations.
The 1989 Sports Issue had some interesting variations which I have been listing in my Bidstart Store this past week. There were some stamps issued with both perf 14 x 14½ and perf 13½ with the variety perf catalogued at a much high price.
The above left is SG 1186 issued as perf 13½ with a catalogue value of 70p while the right hand stamp is SG 1186a perf 14 x 14 ½ and has a catalogue value of 3.25. Have you got both copies in your collection? For all perforation varieties - 8 of the 19 stamps in the issue were issued with both perforation sizes. If not please have a look at my Bidstart store here or copy this link http://www.bidstart.com/shop.php?keywords=Australia&category=0&userid=105545&advsrc=&submitsearch and perhaps you will be able to fill a few gaps, especially the perhaps harder to get perforation differences for the issue. Just type the SG number into the “search store for”