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What we collect!
What we collect!


General Philatelic/Gen. Discussion : Flat plate vs off-set printing

 

Author
Postings
Postmaster

10 Nov 2021
08:28:28am
I am looking for advise on how to tell the difference between off-set printing and flat plate printing on the 1908-1922 Franklin/Washington definitives. Thank you for your help. Mike
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michael78651

10 Nov 2021
10:38:42am
re: Flat plate vs off-set printing

flat plate is an engraved process. You will feel a roughness to the design when you rub a fingernail across it. Also, you will usually see a partial design transference of the stamp on the back.

Offset printing is smooth when you run your finger nail across the design. The back of the stamp will not show any ink transference.

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angore
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Al
Collector, Moderator

11 Nov 2021
06:25:27am
re: Flat plate vs off-set printing

Another technique is to place a piece of aluminum foil over the stamp and rub the foil. no need to press very hard. An engraved stamp will leave an impression in the foil.

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sheepshanks
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11 Nov 2021
09:31:46am
re: Flat plate vs off-set printing

My way is to use the back tip of the nail moved gently as Michael says. You can also angle stamp to the light and it will show up raised like 3D.

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Postmaster

11 Nov 2021
09:46:29am
re: Flat plate vs off-set printing

Thank you for some excellent advise. Mike

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cdj1122
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Silence in the face of adversity is the father of complicity and collusion, the first cousins of conspiracy..

12 Nov 2021
06:50:36am
re: Flat plate vs off-set printing

" ... Offset printing is smooth when you run your finger
nail across the design ..."


When I mentioned that procedure some time ago to a fellow member,
he stated somewhat emphatically that he never touches his stamps
with his fingers. Unlike Victoria, I was amused.
À chacun ses goûts.


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".... You may think you understood what you thought I said, but I'm not sure you realize that what you think you heard is not what I thought I meant. .... "
        

 

Author/Postings
Postmaster

10 Nov 2021
08:28:28am

I am looking for advise on how to tell the difference between off-set printing and flat plate printing on the 1908-1922 Franklin/Washington definitives. Thank you for your help. Mike

Like
Login to Like
this post
michael78651

10 Nov 2021
10:38:42am

re: Flat plate vs off-set printing

flat plate is an engraved process. You will feel a roughness to the design when you rub a fingernail across it. Also, you will usually see a partial design transference of the stamp on the back.

Offset printing is smooth when you run your finger nail across the design. The back of the stamp will not show any ink transference.

Like
Login to Like
this post
Members Picture
angore

Al
Collector, Moderator
11 Nov 2021
06:25:27am

re: Flat plate vs off-set printing

Another technique is to place a piece of aluminum foil over the stamp and rub the foil. no need to press very hard. An engraved stamp will leave an impression in the foil.

Like 
1 Member
likes this post.
Login to Like.

"Stamp Collecting is a many splendored thing"
Members Picture
sheepshanks

11 Nov 2021
09:31:46am

re: Flat plate vs off-set printing

My way is to use the back tip of the nail moved gently as Michael says. You can also angle stamp to the light and it will show up raised like 3D.

Like
Login to Like
this post
Postmaster

11 Nov 2021
09:46:29am

re: Flat plate vs off-set printing

Thank you for some excellent advise. Mike

Like
Login to Like
this post

Silence in the face of adversity is the father of complicity and collusion, the first cousins of conspiracy..
12 Nov 2021
06:50:36am

re: Flat plate vs off-set printing

" ... Offset printing is smooth when you run your finger
nail across the design ..."


When I mentioned that procedure some time ago to a fellow member,
he stated somewhat emphatically that he never touches his stamps
with his fingers. Unlike Victoria, I was amused.
À chacun ses goûts.


Like 
3 Members
like this post.
Login to Like.

".... You may think you understood what you thought I said, but I'm not sure you realize that what you think you heard is not what I thought I meant. .... "
        

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