Unless there is something special about it, its value is one cent.
Current retail is $14.00 issue was $4.00
If your Colt detective special had the prefix D in front of the serial number 956808 then it was made in 1967. According to Proofhouse, 1966 started with D900101. As far as I know they were made at the Colt Mfg. Co in Hartford, CT. See the Proofhouse link below.
A 1967 Washington quarter has no silver and is face value.
Value is too difficult to be accurate without seeing the gun. Condition which includes the amount of original finish and original configuration will determine value. Recommend taking it to a gun shop for appraisal.
Dick Van Dyke Special - 1967 TV was released on: USA: 11 April 1967
It's not a Proof set, no Proof coins were were struck in 1965-1967. The set is a "Special Mint Set" that has coins with semi-proof like surfaces with less design details. Issue price was $4.00 average retail value is $15.00.
The cast of Juliet Prowse Special - 1967 includes: Juliet Prowse as herself
From the records I have, there should be a letter " D " prefix before the number. If so, D926000-D958499 were produced in 1967. if it's a trooper made about 1969
Bellhaven Special School was created in 1967.
If it is in mint condition the value is 10000000000
No U.S. coin dated 1967 will have a mintmark, they were not used from 1965-1967.