Quote:
Originally Posted by bnorth
Thank you for the link. That is some beautiful artwork pictured.
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It certainly is.
I was going to post that the e121 cards were typographed.
As far as faking offset transfers, it's not easy. If you were newly typographing a set of cards, making offset transfers while the cards were still wet would be very easy.
There are exceptions, some inks may never completely dry. And some are more susceptible to chemical alteration.
Like the vegetable oil based inks many magazines are printed with today. They've improved, but SI from around the time they switched were easily damaged by handling them.
And at least one formulation of ink used in the 1870's-80's can leave a transfer from weight placed on it during shipping.
Generally though, the inks were well formulated to dry well and quickly, and don't leave transfers post factory.