For reasons that are, as yet, unclear to me, I recently decided to target the short prints from the uncut sheets containing the 1970-71 Topps "Tall Boy" Basketball set. I've always liked the cards and collected them as a kid (and now, as an adult) and had scans of two of the four half sheets that make up the set. Friend o'the Archive John Moran provided 15/18ths of the other two (Huggins & Scott also had a hand) and I can tell you it's a very strange way to print a set, at least the first series.
Mind you, the SP's are all well known so here's the straight dope:
First series first. Here's a schematic I made of the A slit:
The subjects shaded in blue are double prints, the yellow subjects along the bottom are all single prints. Note the there are two 2nd Series Checklists on this slit and it features both the front white and black letter variations indicating the 1970-71 season. Dese are dem:
That makes a 110 card first series, with 88 double prints (2nd series checklists be damned!) and 22 single prints. The 1st Series Checklist is a true double print:
When we get to the second series sheets, things, as you might have surmised already, change. Herewith the A slit: