It is not visible in normal light, just under extreme scrutiny. The yellow tail has a different finish than her body.
She measures about 6 diagonally. Hope this is the one you've been looking for! The item "Vintage Lefton Japan Mermaid Wall Hanging Plaque Bathroom Necklace Yellow # 78" is in sale since Saturday, March 04, 2017.This item is in the category "Collectibles\Fantasy, Mythical & Magic\Mermaids". The seller is "auntieruthie74" and is located in Hillman, Minnesota. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, PH, SG, to Switzerland, NO, SA, UA, AE, QA, KW, BH, HR, MY, CL, CO, CR, DO, PA, TT, GT, SV, HN, JM.