Rin Tin Tin comic - Top Sellers

I've looked at publisher "Top Sellers" before - their comic My Horse is  here  - and I thought I could see what else they published. First up is Rin Tin Tin comic. There were at least 3 issue (and maybe more) but let's see what I've found so far... Rin Tin Tin comic #2, Top Sellers, 6p Rin Tin Tin comic #3, Top Sellers, 6p