The strap is normal, thats just the beginning and ending of the piece of leather that's woven in between the hardware. As for the inner flap, I remember thinking the same thing about my first flap, like in order to close it I would have to apply a lot of pressure for it to catch. And I hated doing that to my baby, so I normally just close the outer flap. I haven't really given it much thought since. As for everything that is on the receipt/tag, thats Chanels coding for color, material and hardware color. If you want to check the year it was produced check the authenticity card, I believe it should begin with 22******? Based on your pic and how the chain looks, I think its a medium. The chain is shorter on medium, if you wear it single strap it should hit around hip. The jumbo has a longer strap and is much bigger.
All that aside, congrats on your new gifts! Your husband sounds amazing! Happy belated bday =)
thanks a lot for this info, Missheo. My code begins with 23 ***** do u know what that means?