It says it means Sportsroof because they changed the name to that from Fastback that year. There is no real "fastback" offered in 1969. It's the Sportsroof. There are 2 hyphens going through the fastback section of 1969.
By the way, I DO have the exhaust slots in the rear valance. But these valances are swapped very easily and ones like these can be purchased and put on.
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Previously "BennyBoy"
'69 Coupe with 351W-I rolled it 8/8
Edelbrock RPM intake, Edelbrock RPM cam, Edelbrock 750 cfm carb, Hedman headers, 2 1/2" pipe, glasspacks, C4: shift kit, 9" Currie: Trac-Lok 3.70s, 290hp-stock heads
Starting Project "2ND COMING": 1969 Fastback