help with square ball perfect mason w/dropped a and underline ?

[pickensbob]

trying to find in redbook 10, clear quart, square ball script, dropped a, believe it is in 1910---1923 ? thanxs for any help

 

[coreya]

Looks like a # 275

 

[RED Matthews]

I haven't seen that one yet. Looks great. I am still in need of a small jar cap for the little pint BALL jar I have in NY. I have a lot of caps and pieces of incomplete bottles up om NY, I will be trying to list them next summer. RED Matthews