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How to tell genuine gold leaf

Discussion in 'The Grumble' started by cjmst3k, Mar 28, 2019.

  1. cjmst3k

    cjmst3k SGF, Supreme Grumble Framer

    I have a painting which arrived and it was previously framed. I do not have information on who made the frame, but all the telltale marks of a high quality frame. The corners are finished, and do not appear hand carved. Even the raised fillet is finished corner (except for a broken open corner), and the back edges has a custom depth.

    How can I test this to see if it is genuine gold leaf?

    Attached Files:

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  2. Pat Murphey

    Pat Murphey SPFG, Supreme Picture Framing God

    If it is gold, a fine job of covering up the patina was done. The bands indicate leaf, but from the photos it is difficult to tell if's metal leaf or gold.
  3. MnSue

    MnSue SGF, Supreme Grumble Framer

    Pat Murphey:
    what are some details to look for in general to make that determination???
  4. munnframeworks

    munnframeworks CGF, Certified Grumble Framer

    If the leafs are 2 3/4 " length to overlaps and are all the same , most likely real gold.
    shayla likes this.
  5. Pat Murphey

    Pat Murphey SPFG, Supreme Picture Framing God

    I have samples of both gold leaf and metal leaf from finished corner companies like APF Munn and I deal extensively in metal leaf chops from Munn Frameworks. There is no mistaking the underlying "glow" patina of gold leaf, even with antiquing "mud". Antique reproduction in metal leaf is excellent and the right color, but side by side you can't miss the difference. As I said, though, it is difficult to tell if the finish is really covered up from soil over the years.

    Edit, thanks Max.
    shayla likes this.
  6. Larry Peterson

    Larry Peterson PFG, Picture Framing God

    What is the stuff that looks like gold leaf? I sell some budget stuff like Decor 5042 that has loose foil on the back but at it's budget pricing, it can't be the real stuff.
  7. JFeig

    JFeig SGF, Supreme Grumble Framer

    The frame is overly patinaed (dirty) for a true 22-23K gilded frame. There are no highlights showing through on the top surfaces of any of the carving. The flat panel of the liner does not go with a 19th century frame. The lap marks can be simulated to look like real gold.

    I would also like to see the back side of the frame. My first impression is that it is a metal leaf replica frame.
  8. Terry Hart cpf

    Terry Hart cpf SGF, Supreme Grumble Framer

    Looks like it has the lap lines of hand laid leaf. Like munnframeworks says, real gold should be about 2 3/4". Imitation is twice that wide. You'd think there would be some identification on the verso of a high end frame. Otherwise I don't know how you could verify real leaf vs imitation besides appearance. I suppose metals other than gold would be more reactive but I don't know how you would test that outside a lab or without possibly damaging the frame. Have you had the painting out? Sometimes it's easier to see whats going on with the metal along the inner edges of the rabbet.
  9. JFeig

    JFeig SGF, Supreme Grumble Framer

    Metal leaf can also be cut down to 85 x 85 mm (2 3/4" square) before application to fool customers.
    There appears to be an overabundance of skewings used on the concave portion of the profile. A professional gilder would not allow that in such a highly visible area.
  10. framah

    framah PFG, Picture Framing God

    I doubt the words "Decor" and "real gold" have ever been used in a sentence before.:rolleyes:
    TurnerAssociatesdy likes this.
  11. shayla

    shayla WOW Framer

    I'd be surprised if someone combined real gold leaf with that bright white middle panel, (but it's a funny world).
    TurnerAssociatesdy likes this.
  12. cjmst3k

    cjmst3k SGF, Supreme Grumble Framer

    Leaf marks at 2.75 repeating confirmed.

    Gold tone is soft and muted but not too dirty. I don’t see any repeating patterns that indicate anything mass produced.

    The fillet over the liner is finished corner too.

    Everything about this frame screams “museum”.

    The scale is monsterous, and weight is very heavy. Two adult men are having trouble moving it. It’s also 6’ square.

    I don’t doubt it is Munn or similar (don’t think it’s Regence) because other finished corner frames when the depth needed to be deeper, Regence did a similar depth build up.

    Attached Files:

  13. cjmst3k

    cjmst3k SGF, Supreme Grumble Framer

    I just took the paper off the back. It has a gallery sticker from Spain. But possibly framed in US.

    The liner area (which has a lot of reinforcement) has T12210 5/25 penciled on the back.
  14. Gilder

    Gilder MGF, Master Grumble Framer

    It's gold.
  15. prospero

    prospero SPFG, Supreme Picture Framing God

    If it's water-gilded (indicating real gold) you will get the lap marks. Imitation gold leaf is thicker and usually applied
    using oil size which means won't stick over the adjacent leaf, so you get thin lines where it meets. With no gunk
    on top there is no mistaking real gold. Often it will have been abraded slightly which makes the double-thick laps
    more prominent
    The one pictured looks like real gold, but there are sneaky ways of faking it. Old frames are sometimes finished with
    the back edges of the moulding painted a dull brown colour to save using gold leaf. If the gilder has done this then
    it's probably real gold on the front.

    This one isn't even leaf. Bronze powder bound in varnish. I painted the laps on. :oops:

  16. Keith L Hewitt

    Keith L Hewitt SGF, Supreme Grumble Framer

    Prospero -we all knew it, but now you have admitted it ;) you are a little tinker :rolleyes:
    neilframer likes this.
  17. neilframer

    neilframer PFG, Picture Framing God

    But, he's an excellent tinker....;)
    Hey, we are all tinkers in this tribe...:D
  18. prospero

    prospero SPFG, Supreme Picture Framing God

    I never denied it. :p

    And that's what makes it 'faux' and not 'fake'. :D
    cvm and David Waldmann like this.
  19. framah

    framah PFG, Picture Framing God

    He's a tinker, 'cause he Tinks a lot!!:eek::D
    prospero likes this.
  20. Grey Owl

    Grey Owl SGF, Supreme Grumble Framer

    However a few years ago at the WCAF there were some corner frame samples that had 2-3/4" overlaps and they were really metal leaf.

    And one supplier had a big photo at the end of their booth that said gold leaf, and the spacings were around 5" wide - obviously not real gold leaf.
  21. cjmst3k

    cjmst3k SGF, Supreme Grumble Framer

    Rhonda Feinman saw this frame on the FB "underpinner" page and she confirmed it is gold too. :)
    shayla likes this.
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