All 1967 general circulation British Pennies were made from bronze. If you have a silver Penny, it will be because somebody has plated it. Alternatively, the British Maundy Penny is a very much smaller coin than the traditional Penny and is made from sterling silver.
If by a "silver penny" you mean one of the 1943 steel cents, then in mint condition it's worth a dollar or two. If you mean some other date, then it's silver plated and has no collector value. And your 1967 penny has been altered -- no added value.
From 1860 to 1967, the British bronze Penny was 30.81 mm in diameter.
Neither U.S. nor British pennies were made of silver. Your coin is almost certainly plated, which would mean it's only worth face value.
Penny Streeter was born in 1967.
Two a Penny was created in 1967.
1cent
The last Australian Penny was minted in 1964.
Penny Lane was created on 1967-02-13.
It would depend on which "Pence" you refer to. The British Penny and Halfpenny were made from bronze from 1860 to their last minting in 1967. The British Threepence and Sixpence were made from sterling silver from 1816 to 1920, and from 1920 to 1946, they were made from 50% silver.
like a penny or what we value as a penny
SIMPLE ANSWER: No US coin dated 1965, 1966 or 1967 will have a mintmark, it's just a penny.