Print runs
Those numbers and series runs are the same as what I have seen. Runs with 66 unique cards (4x each in sheet), 88 cards (3 x each sheet), or 132 cards (2x each sheet) produce no SP or DP cards in that run.
However, a print run with 77 cards should have some SPs in it, although the degree of short prints can vary, depending upon the specific pattern Topps used.
For example, for a 77 card print run, there are many ways Topps may have arranged the sheet (264 cards, so 2 pages, 12 rows, 11 columns). These include:
A) 4x3 + 3x4 (i.e., 4 rows 3 times each, 3 rows 4x each) leads to mild degree of SP
B) 4x4 + 2x3 + 1x2 (22 true SPs)
c) 5x4 + 2x2 (22 SPs)
D) 1x5+ 1x4 + 5x3
E) probably others
For a 110 card run, I believe Topps always used 4 rows 3x each and 6 rows 2x each, with one checklist in two of the 6 rows printed 3x (so 6 copies) and the next series checklist in a row that was printed 2x. Thus, the 110 card series had 1 card printed 6x, 42 cards printed 3x, and 66 cards printed 2x each (109 unique cards, 264 total cards). Sometimes price guides refer to one of the 42 cards in the rows printed 3x each as DPs (e.g., 1966 Rose, Mantle, Hunter, etc.).
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