APPRAISER
So you said you bought this piece with your mother?
GUEST
Yes, we went to an auction in Eastern Kentucky, and for some reason, she really liked it, so she bought it at the auction. Probably 20, 25 years ago.
APPRAISER
And you said you paid how much for this?
GUEST
I think it was about $100 or $150. I do know it's made by Dirk van Erp.
APPRAISER
Uh-huh.
GUEST
But I don't know anything about the history of him or where he's from or... I don't know anything about the lamp.
APPRAISER
Dirk van Erp was a San Francisco Bay Area metalsmith. He defined what coppersmithing was for the Arts and Crafts movement in America. He had many people who followed in his wake, but this fabulous wrought-copper, mica schist lamp was what Dirk van Erp was known to have created and popularized. This is an early version of a van Erp lamp. He made them for a number of years, starting in around 1908. His son was still making them into the '30s and '40s. There's several ways we know this is an earlier lamp. Number one, the structural detailing. You see the way these straps or struts come up to the top...
Yes. APPRAISER
...and then they're riveted into place?
Yes. APPRAISER
On a later lamp, this strut would be on the outside on the bottom and on the inside at the top.
GUEST
Okay.
APPRAISER
So you wouldn't have this detail work to deal with. It would be a lot faster and a lot easier to make. These darker patinas tend to be on earlier lamps, too. This is almost a black patination. Now, there are some later lamps with darker patinas, but by and large, when you have a patina this dark on a van Erp lamp, it's an earlier version. Third, these are panels of mica schist that have been curved. This orange color that we're seeing right here?
GUEST
Yes.
APPRAISER
This is typical of an earlier van Erp shade. This is what we look for.
GUEST
The orange.
APPRAISER
Deep chocolate brown and kind of an orange-y mica. I'm gonna pop the shade here and show you this from the inside. These clips that we're seeing here, if this mica had been replaced, a lot of these clips would have been bent back. They're just little strips of copper holding it in place. That's how I know this mica's all original to the piece, because those copper strips are bent once by van Erp when this was made around 1910.
GUEST
Oh, really?
APPRAISER
Another thing I wanted to show is this gentle curve to the arms that we're seeing here.
GUEST
Yes.
APPRAISER
That's typical of an earlier lamp. The later ones tended to have straight arms, rather than curved like. These are the original sockets without the original pulls. The original pulls would have had little acorns at the bottom, but that's okay. We're happy with the original sockets.
GUEST
Okay.
APPRAISER
Originality is a big thing. Number one, the original mica, and number two, the original patina. Whatever this lamp is worth, it'd be worth one-fifth of that if these things had been altered. Underneath it, we have the van Erp mark.
GUEST
The marking.
APPRAISER
And we know it's early, 'cause this mark is a windmill with "Dirk van Erp," and around that mark is a rectangular box that's completely closed. That dates to before 1912.
GUEST
Oh, really?
APPRAISER
If the box had been open at all, it'd be a later mark and a later lamp and not as good.
GUEST
Oh.
APPRAISER
So these are all the attributes that denote this as an early van Erp lamp. What determines the value, in addition to originality and the beauty of it, is the scarcity of the form. I've never seen this van Erp lamp before, and I've probably seen-- I've seen hundreds of these things.
GUEST
Really?
APPRAISER
And I've never seen this form before. Van Erp was the ultimate in coppersmithing.
GUEST
Oh.
APPRAISER
This lamp is a tribute and a symbol of the heights to which he took that craft. If I was going to put this at auction, I would estimate it for about between $40,000 and $50,000.
GUEST
(gasping)
APPRAISER
And I got to tell you, because it's such a rare lamp, it could go for double, triple that.
GUEST
Oh, my gosh.
APPRAISER
You just don't know what they're going to bring. This is such a rare lamp, it's anybody's guess.
GUEST
Oh, that's fabulous. Thank you so much.
APPRAISER
My pleasure. It's great to see it.
GUEST
Thank you so much.
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