Further unnecessary research:
(these are real eBay
stores quoted below)
It is 15 characters as
Dick and Tracy's Collectibles (store name) shows
Dick and Tracy . . . in search. (only 14)
Must depend on what word or punctuation is near to the break.
All one word goes to 15 characters:
michaelpughstam . . .
The Stamp Nook shows
The Stamp Nook (14 characters length, no yelling, nice and tidy)
Guilluame The Philatelist shows
Guillaume The P . . .
(nice historical reference with the name but cut short in his prime.)
(Does have a nice ring to it though.)
Ganges-Joy-and- . . .
Oh no! There is already a store called pieces of eight, by gum. Selling anything of interest. Hmmm. Pirates ahoy!
Good gracious, did I say that? I think it is bed time. Good night all. Good night Miss Ghandi.