A 10538 Overture
B First Movement (Jumping Biz)
Harvest HAR 5053 | 1971
The UK issue of 10538 Overture was released with both a solid and a slit centre.
There are also various versions to collect where the dot ( . ) after GT in MADE IN GT. BRITAIN is missing on the a side, or missing on the b side or missing on both sides.