Some collectors are unwilling to share the rare items publicly as doing so risks decreasing the value of their prototypes.

Some notable collectors were Pope Boniface VIII, Emperor Maximilian of the Holy Roman Empire, Louis XIV of France, Ferdinand I, Henry IV of France and Elector Joachim II of Brandenburg, who started the Berlin Coin Cabinet ( German: Münzkabinett Berlin ).

Some collectors focus on coins of a certain nation or historic period.

Some collectors are completists and seek an example of every type of coin within a certain category.

* Copy collections: Some collectors enjoy acquiring copies of coins, sometimes to complement the authentic coins in their collections.

Some collectors choose to focus on a specific subtopic within their area of general interest.

Some countries authorize the production of postage stamps that have no postal use, but are intended instead solely for collectors.

Some collectors assume that it was also supplied as OEM product, Multivox CB-50.

Some collectors prefer a traditional stamp album.

Some collectors are generalists, accumulating merchandise, or stamps from all countries of the world.

Some novice collectors start purchasing items that appeal to them, and then slowly work at acquiring knowledge about how to build a collection.

Some collectors consider this as a third series but since unlike all series it was not published in the official journal of the European Union, it is actually an amendment and not a new series.

Some stamp collectors are interested in the cancellations themselves, on or off cover, of a particular country or issue, or collect a specific type of cancellation, such as fancy cancels.

Some art museums and art collectors feature American Western Art.

Some shell collectors find their own material and keep careful records, or buy only " specimen shells ", which means shells which have full collecting data: information including how, when, where, in what habitat, and by whom, the shells were collected.

Some collectors may specialize in specific fields ( such as Nobel Prize winners ) or general topics ( military leaders participating in World War I ) or specific documents ( i. e., signers of the Charter of the United Nations ; signers of the U. S. Constitution ; signers of the Israeli Declaration of Independence ; signers of the Charter of the European Common Union ; signers of the World War II German or Japanese surrender documents ).

Some collectors take note of which celebrities are the most gracious or the least forthcoming.

Some stamps, intended only for sale to stamp collectors have been issued without gum, for instance the United States Farley's Follies souvenir sheets of 1933.

Some of these cymbals are now collectors ' items.

Some of the early Moulton bicycles are today considered to be collectors ' items.

Some klystrons include depressed collectors, which recover energy from the beam before collecting the electrons, increasing efficiency.

Some collectors and investors also try to anticipate future trends and buy low now, this however, is difficult to get right and may take a long time to pay off.

Some limited edition sets from past collectors have drawn up to three times the original value.

Some coil issues will require collectors to save longer than even the PNC5 mentioned earlier.

Some collect coins minted during a particular ruler's reign or a representative coin from each ruler.

:" Some of you may ask, what is the good of working so hard merely to collect a few facts which will bring no pleasure except to a few long-haired professors who love to collect such things and will be of no use to anybody because only few specialists at best will be able to understand them?

Some travellers " collect " immigration stamps in passports, and will choose to enter or exit countries via different means ( for example, land, sea or air ) in order to have different stamps in their passports.

Some designs for SSTO attempt to use airbreathing jet engines that collect oxidiser and reaction mass from the atmosphere to reduce the take-off weight of the vehicle.

Some museums choose to collect pieces original to the period while not original to the house.

Some snowdrop species are threatened in their wild habitats, and in most countries it is now illegal to collect bulbs from the wild.

Some groups of plants developed nectar and large sticky pollen, while insects evolved more specialized morphologies to access and collect these rich food sources.

Some victims call back multiple times in an effort to collect all the details.

Some organizations such as nuclear power plants collect " as-found " calibration data before any routine maintenance is performed.

Some sites are trying to collect what can still be found of the college: ( 1 ) a non-profit pixel site is collecting links to whatever is available on the web ; ( 2 ) a

Some important species such as Aconitum napellus, Cannabis sativa and Taxus baccata are not allowed to collect and use as per the Official Gazette of the Republic of Slovenia.

Some are inlaid with lacquer designs in a process known as maki-e. Avid communities of pen enthusiasts collect and use antique and modern pens and also collect and exchange information about old and modern inks, ink bottles, and inkwells.

Some Indian provincial officials have used the assistance of hijras to collect taxes in the same fashion ; they knock on the doors of shopkeepers, while dancing and singing, and embarrass them into paying.

Some male transvestic fetishists collect women's clothing, e. g. nightgowns, babydolls, bridal gowns, slips, brassieres, and other types of nightwear, lingerie, stockings, pantyhose, shoes, and boots, items of a distinct feminine look and feel.

Some time later, gun-for-hire Conny Miller arrives in town, ready to kill Sykes and collect his pay.

Some thinkers, like Seligman, have attempted to collect the data into helpful theories ( e. g. " P. E. R. M. A.

Some divers collect aluminum cans, which they can then sell for a small profit.

Some video rental outlets use a kiosk or vending machine to dispense and collect rentals.

Some other major yet mostly overlooked reasons are total absence of rapid transit system, total absence of integrated urban planning for over thirty years, holes / pits / ditches on the roads eaten up by stagnant water due to absence of drainage system, the tendency of the drivers halt or park vehicles anywhere and everywhere, dilatory driving of vehicles to collect abrupt passengers, disorderly driving on roads, insufficient roads, total lack of alternative routes, mostly narrow and one-way roads, and, tendency of breaking traffic signals.

Some collect piggy banks as a hobby.

Some box sets collect together previously released boxes of singles or albums by a music artist, and often collect the complete discography of an artist such as Pink Floyd's Oh, by the Way.