Would appreciate assistance determining history, age, value of a colored Lithograph (approv 5"x7") I've recently acquired.
The Lithograph is of a pretty young lady, with pinkish flowers in her short/braided hair. She's wearing a pint (with some white) bow on her neck. Dress front is make of large pink bows - dress shoulders & sleeves are bluish with pinkish flowers between 3-4 "hash" marks. Lady is holding bouqet of springlike white and pink flowers on her Left arm - larger pink bow/flower(?) on Right arm.
The Litho has the following (small lettering across bottom of print): "Madame Pompadour NO B 163 f Boucher litho in USA" Just above the litho in USA wording is a (small) greenish/golden circle with a S L above a curvy L inside the circle. (SLL?)
Young lady is slightly younger and prettier (and more upright) than Boucher's original version of Madame Pompadour I've seen on Internet. That Madame Pompadour is actually reclining, as I understand from my research.
The Litho is framed in greenish/goldish wooden frame with red trimline. Back of frame has paper cover glued on - with a sticker that says "Picture Lines of Distinction Genuine Artograph Trade Mark Artograph Co. Brooklyn NY" I can’t find any (Litho/artist related) contact info for the Artograph Co in Brooklyn NY.
UPDATE: After researching in vain, I have just now FINALLY found the young lady featured on a Lamp on an eBay site - by searching "Boucher Pompadour". However, that's on a Lamp - mine is a LITHO. I'm not selling the Litho (and don't own the lamp). I'm just trying to determine history & value of the LITHO. Any assistance will be appreciated. Thx!

Does your lithograph look like the following image?

Nope, mine doesn't look like picture you have. It looks like the picture on the Lamp in eBay (although mine is a LITHO, and I don't own the lamp for sale on eBay - - my Litho is identical to the young lady on that lamp. I emailed the lamp owner - they weren't able to help with any identification either - seems their research turned up No Matches - same as mine did. Believe they bought lamp at estate sale, but that all have to go on).
You can see the lamp if you go to http://www/eBay.com and search for: Boucher Pompadour
I don't have way to take photo of my LITHO and frame right now (or know how to attach it here). Can you take look at the eBay lamp photo? Thx so much!