Message:

<p>[QUOTE=&quot;John Burgess, post: 8145989, member: 105098&quot;]if the &quot;brown envelopes&quot; were the little manilla like ones, very likely that&#039;s what retoned them, and he might have gotten them shiny and cleaned and put them up and that&#039;s how they turned out re-toning from the envelope.</p><p><br /></p><p>The older yellow/brown envelopes aren&#039;t manilla (well it is, but manilla is another name for kraft paper also, just a slightly different process), but the early ones were kraft paper. and kraft paper offgasses sodium hydroxide and sodium sulphide that its saturated with in the pulping process of the wood.</p><p><br /></p><p>if the surfaces were original, and MS, you might have something there, even if the kraft paper envelopes did the toning,&nbsp; but they just look like worn cleaned coins that were artificially toned even if it was accidental, it falls into the &quot;altered surfaces&quot;[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in