1898 Christy Saddles:
Men's Model 1 (medium size) is 8-1/4" wide
Men's Model 3 (large size) is 9" wide
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I have around 10 Christy seats on bikes, and it's is not called a # 3, or it would probably say so on the seat (behind the patent dates)
I think it's a regular 1895 mens model versus a regular 1895 ladies model
His model is prior to this "improved for 1898" ad, they didn't have that many models at the time Christy saddles were invented .... or at least I haven't seen that many variation with only 1895 patent dates
his saddle only has 1895 patent dates.
it's also probably a later 1895 saddle (or between late 1895 and prior to 1897) because it has 2 - 1895 patent dates versus only 1 (and no 1897 patent dates)
i believe the first Christy seats had only 1 patent date on : PATENT 1895
the 1898 saddles would have 1895 patent dates, 1897 patent dates and 1898 patent dates, like on the ad you posted
if you have Christy saddles on your bikes, you can notice the differences.
Max