The perforations do not match to the 11.5 on the top/bottom, but appear to be slightly larger gauge. Try 11 on the top/bottom. This is the perf. 11 x 10.5 stamp (11 on top/bottom and 10.5 on sides), which is Scott 632.
The real stamp is not exactly 11 or 10.5, but only close to those rates. The catalog rounds off the rate of perforation to the closest 0.5. The actual rate of the top/bottom is slightly higher than 11, which you correctly find.
Yes, your stamp is Scott 632, always listed in the catalogs with the top/bottom rate first, then the side rate, thus "11 x 10.5"
Juan, is the perforation gauge a printed gauge or from a gauge manufacturer? It turns out that the "real" perforation gauge for perforation 11 is not exactly 11 (meaning 11 perforations per 2 cm), but close. The stamp catalogs state 11 because it is closer to 11 than another gauge.
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Posted 01/04/2021 08:35 am
