A mere penny or probably less. If it is "Mint/New/Unused" condition, then possibly more, but it is most likely used and there are millions of them.
Stock Transfer Stamps are called 'Back of the Book' stamps. That is because they are found at the back of the stamp album or catalog. Consult a catalog that includes them. Scott's Specialized US Catalog includes them.
A penny or less. If it is in "Mint/New/Unused" condition, then possibly more, but it is most likely used and there are millions of them in existence due to the huge volume of Wall Street financial traffic and paperwork which used these stamps from 1905-1981.
It is worth the original cost of the stamp.
Scott #1269 The used version is worth the minimum cost to stock and catalog which is about 20 cents. Mint (unused) can be purchased for 50 cents. A dealer might give you a dime for it, but a single stamp is not worth the effort.
A stamp is worth more unused
nothing
The "S" is a mint mark not a stamp, but the value is $2.00-$3.00 for circulated coins and a mint state coin is $7.00
It is worth the cost of the stamp.
A 5-cent 1946 Roosevelt stamp is worth about $1, but it depends on the postmark and the design on the stamp. Some postmarks of this stamp could be worth $11 or more.
It's worth more research on your part... about 950 worth of reasearch
every stamp is worth it
The stamp-postage value of a stamp is visible on the front of the stamp.