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Achieving this grade requires centering between 65/35 to 70/30 on the front of the card, while the back should have centering of at least 90/10 or better. 9 - Mint - The card might exhibit only one of the subsequent flaws: a minor printing imperfection, borders that are slightly off-white, or an exceedingly faint wax stain on the back of the ...
Third-party grading (TPG) refers to coin grading & banknote grading authentication, attribution, and encapsulation by independent certification services.. These services will, for a tiered fee depending on the value of the coin, "slab" a coin and assign a grade of 1–70 on the Sheldon grading system, with 1 being the lowest grade, with only faint details visible to 70, a practically perfect ...
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Professional Coin Grading Service (PCGS) is an American third-party coin grading, authentication, attribution, and encapsulation service founded in 1985. The intent of its seven founding dealers, including the firm's former president David Hall, was to standardize grading.
A public service announcement (PSA) is a message in the public interest disseminated by the media without charge to raise public awareness and change behavior. Oftentimes these messages feature unsettling imagery, ideas or behaviors that are designed to startle or even scare the viewer into understanding the consequences of undergoing a particular harmful action or inaction (such as pictures ...
Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), P-30 antigen, is a glycoprotein enzyme encoded in humans by the KLK3 gene.PSA is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.
The 4Kscore combines total, free and intact PSA together with human kallikrein 2. [46] It is used to try to determine the risk of a Gleason score greater than 6. [46] The Prostate Health Index (PHI) is a PSA-based blood test for early prostate cancer screening. It may be used to determine when a biopsy is needed.
IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures against ...