that is quite late - around ‘67/‘68
Mine is 24’2xxx, sold in ‘67 and came with papers and original hang tag (which is the only proof that these 564 .004s really exist. )
The observatory should only have bricks on the dome.
Originally, only solid gold Connies had brickwork observatories. this changed around the mid-60s.
so earlySS .004s would have plain observatories.
so your ‘hybrid’ .004 is like the others found to date.
Apologies to the OP for a bit of a thread hi-Jack
Mine (not correct Connie box but possibly original)
Same ‘Sharp edged’ dial style as yours
View attachment 1037494
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