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 collectors collect only in childhood while others continue to do so throughout their lives and usually modify their aims later in life.

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

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 persons consider the work on a farm recreational.

Some consider this more of a short story collection ; Milne didn't like it and considered The Day's Play as his first book.

Some of the people of Curraun consider themselves Achill people, and most natives of Achill refer to this area as being " in Achill ".

Some consider that naming the concept " Kolmogorov complexity " is an example of the Matthew effect.

Some consider such use of the term " incorrect.

Some Protestants feel that such claims of apostolic succession are proven false by the differences in traditions and doctrines between these churches: Roman Catholics and Eastern Orthodox consider both the Church of the East and the Oriental Orthodox churches to be heretical, having been anathematized in the early ecumenical councils of Ephesus ( 431 ) and Chalcedon ( 451 ) respectively.

Some authors, however, consider alkaloids a special case of amines.

Some consider that this makes a case for replacing ATM with Ethernet in the network backbone.

Some mathematicians, especially in set theory, do not consider the sets and to be part of the relation, and therefore define a binary relation as being a subset of x, that is, just the graph.

Some Christian readers consider this story to contain an allegory, representing the interaction between the church as ' bride ' and God.

Some Anglican churches consider themselves both Protestant and Catholic.

Some Anglicans consider their church a branch of the " One Holy Catholic Church " alongside of the Roman Catholic and Eastern Orthodox Churches, a concept rejected by the Roman Catholic Church and some Eastern Orthodox.

Some theorists, however, have speculated on what they consider suitable pre-conditions, and basic mechanisms that might have been important driving forces.

Some within the cognitive science community, however, consider these to be vital topics, and advocate the importance of investigating them.

This may be the case for words such as church in rhotic dialects of English, although phoneticians differ in whether they consider this to be a syllabic consonant,, or a rhotic vowel,: Some distinguish an approximant that corresponds to a vowel, for rural as or ; others see these as a single phoneme,.

Some critical observers consider that Uribe's policies, while admittedly reducing crime and guerrilla activity, might be too slanted in favor of a military solution to Colombia's internal war, neglecting grave social and human rights concerns to a certain extent.

Some groups, Christadelphians in particular, consider that it is not a universal resurrection, and that at this time of resurrection that the Last Judgment will take place.

Some people, however, consider this tantamount to censorship.

Some speculate that the pope could leave instructions in writing, perhaps in his will, for the appointment to be made known after his death ; but it is difficult to imagine a case in which the pope would consider that his own death would remove the obstacle in the way of publishing the name.

Some authors have used " basal " differently to mean a clade that is " more primitive " or less species-rich than its sister clade ; others consider this usage to be incorrect, and many now discourage the use of that term altogether to avoid such implications.

Some European communities, claims Lemon, consider the Roma people to be of low caste.

Some professional exegetes consider the Bible, to a greater or lesser degree, to be a document of its time, taking on attitudes which may not be God's.

Some consider literary theory merely an aesthetic concern, as articulated, for example, in Joseph Addison's notion of a critic as one who helps understand and interpret literary works: " A true critic ought to dwell rather upon excellences than imperfections, to discover the concealed beauties of a writer, and communicate to the world such things as are worth their observation.

Some Anglicans and Old Catholics accept that the Bishop of Rome is primus inter pares among all primates, but they embrace Conciliarism as a necessary check on what they consider to be the " excesses " of Ultramontanism.

Some researchers consider that contemporary Russia is not a true democracy and instead resembles a form of dictatorship.