Your best shot (pun intended) will be a national firearms brokerage site. The largest is probably gunbroker.com. They do not sell firearms, but are an auction site for dealers that are selling. If you are a successful bidder, the firearm would be shipped to a dealer in your home state. You would need to complete the paperwork there (Form 4473 and background check) the same as if you had bought the gun there.
50-100 USD
Must be inspected by a good gunsmith.
The High Standard Sentinel mark IV is a 9 shot blue or nickel plated revolver with wooden grips that was made by High Standard Inc. It came in a 2 and 4 inch barrel length. This revolver in good condition may be worth from 175 to 275 US dollars.
Lymphoscintigraphy (sentinel lymph node mapping) is an imaging technique used to identify the lymph drainage basin, determine the number of sentinel nodes, differentiate sentinel nodes from subsequent nodes, locate the sentinel node in an unexpected location, and mark the sentinel node over the skin for biopsy.
$200-$400, depending on condition, finish, type of sights, etc.
It means the array has a sentinel to mark the end of the array. Any elements that follow the sentinel element are deemed invalid. Sentinels are usually denoted with a special value that is not used by any of the elements that precede it. Null-terminated strings are an example, where the NULL character (ASCII code 0) marks the end of a character array.
A bench mark is an object to a set standard.
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St. Mark's High School was created in 1969.
Mark Morris High School was created in 1957.
Mark Keppel High School was created in 1938.
sapphire.