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A 1969 half dollar is 40% silver. It is a common date only worth melt. At the time of writing it is worth about $3.50 in silver scrap.
...If you can read the date on the penny, it is not an unstamped penny.
With a date of 1979 the coin has no silver in it. 1969 was the last 40% silver circulating US half dollar. The coin is worth 50 cents.
Face value the date is still in circulation.
The mint never struck any silver 1 cent coins of any date, if it looks silver in color it's likely been cleaned or plated or possibly a replica of some type and has little or no collectible value.
The coin is only one cent, the counter stamped date adds nothing to the value.
A 1969 half dollar is 40% silver. It is a common date only worth melt. At the time of writing it is worth about $3.50 in silver scrap.
...If you can read the date on the penny, it is not an unstamped penny.
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.
13.09. 1969
This is not enough information to give an accurate value amount. Need to know 'Type' of penny, 'Date' of penny and 'condition' of penny.
With a date of 1979 the coin has no silver in it. 1969 was the last 40% silver circulating US half dollar. The coin is worth 50 cents.
Face value the date is still in circulation.
The mint never struck any silver 1 cent coins of any date, if it looks silver in color it's likely been cleaned or plated or possibly a replica of some type and has little or no collectible value.
It depends on the date of the uncirculated D penny. Post new question with the correct date.
It's a common date penny, that's all.
Ask another question and include the date and type of error on the penny.