Northeast Obak equivilant
 

Is there an issue from the same era (circa 1910) that is made up of minor league players from northeast teams/leagues?

D380

The equivalent to the Obak set would be T206s or T205s as Obaks were not of minor leaguers but of Pacific Coast Leaguers.

D380s include the minor league team Rochester Broncos.

http://www.baseballcardresource.com/...sborn_PSA2.jpg

As Dan stated the PCL was technically a minor league but at the time they did not really view themselves as a minor league as they were the only game in town if you lived west of Chicago and St. Louis. The highest other minor leagues were the American Association and the Eastern/International Leagues. Thus sets of those leagues would be the closest to Obaks, thus sets like C46 or the like would be the closest.

Itc c46
 

The C46 is a minor league set issued in 1912 in Canada by Imperial Tobacco of Canada featuring players from Toronto, Montreal, Buffalo, Jersey City, Newark, Rochester, Providence and Baltimore.