Buying 2015 tasty cake and 2020 July birth stone

[Cosmic-chan]

I need a 2015 tasty cake and a July 2020 birth stone!! I'll date trade my 2020 tasty cake and 2016 July birth stone!

 

[Darcy94x]

I think 2015 is the earliest tasty cake you can get? According to this

 

[Cosmic-chan]

I think 2015 is the earliest tasty cake you can get? According to this

oh well thx

 

[silk.feather]

What is the date on your 2020 tasty cake?