What is correct crown for this 1954 cal 354 2652 GC Constellation?

Posts
1,944
Likes
3,925
I 1471314-e8d0956d1aa18ba4e9c27b042bc36cde.jpg

any specifics which one is correct and best place to find one? Thanks
 
Posts
21,107
Likes
48,179
Posts
3,205
Likes
12,632
Correct crown would be 42019 (thick decagonal) or 42023 (clover). eBay is probably your best bet.
 
Posts
1,944
Likes
3,925
Thank you! I've seen some decagonal crowns with upward pointing feet which i assume are a later service crown, will look out for the flat foot logo version.