https://www.models-world.com/massachusetts/valeria-4/

Remove the S in httpS to make the URL a hot link. Many people will skip over your posts if they have to do extra work.
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Do an image search. Valeria's pics show up as Jessica in Stuttgart, Grace in Frankfurt, Briana in Koln, and Rae in Pattaya.  
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She currently has 2 recent TER Reviews. Contact the reviewers and ask them if she's the girl in the pics or just a look-alike.

That's a different Valeria, that's Valeria Stauffer, who is the actual person in her pics. I know because I took some of them and I assist her so we meet quite often.

Help me out here. The OP posted a link to Models World Valeria (MW-V). I searched one of MW-V's pics and it matched Jessica = Grace = Briana = Rae.  
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Then, I figured OP was asking on the Boston board for a reason, so I searched Boston Ads for Valeria.  That led to this recent (April 2020) ad posted by sammythebooker:  
http://www.theeroticreview.com/discussion-boards/boston-ads-68/valerias-waiting-for-the-stay-at-home-to-be-over-so-she-can-stay-in-bed-48951
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That ad has a link to the Profile for Valeria Stauffer  
http://www.theeroticreview.com/reviews/valeria-stauffer-348218
which has links to Slixa, Models World Valeria STAUFFER (not plain Valeria) AND ValeriaStauffer.nl  
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I hastily assumed that MW-V and the Profile Valeria Stauffer were the same Valeria. (The pictures at Slixa, MW-VS, to VS.nl wouldn't load even after several minutes; still not loading for me using TOR.)  But now I notice that Boston Ad Valeria is a brunette and her Profile says Brown Hair, not Blond, like MW-V.
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Soooooooooooooo ... we know that OP's MW-Valeria is not Valeria Stauffer but that MW-V's pics have been used in escort ads in Europe and Asia.

I dunno why the images didn't load, it's possibly a Tor issue vs a hosting issue. Loads fine for me. Valeria Stauffer is real and provides an amazing service and, while she is beautiful, she is not as scorchingly hot as the MW Valeria, who looks too good to be true. (Being realistic.) If MW Valeria were real and services were as advertised I would advise her to charge in the 6-700 range. But she's not.

I've seen her a couple of times. Nice girl. Beautiful.

I'm not trying to be flippant, but considering the situation with TWO Valerias, did you see Valeria Stauffer (brunette; 2 reviews) or Models-World Valeria (no last name; blond)?  
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Thanks!

the brunette. the one that sammy books.

Hey Rocky!!