Depends on the exact model and it's condition. Condition being the most important factor. Look on ebay for some examples.
1948
Bicycle Thieves was created on 1948-11-24.
You and Your Bicycle - 1960 was released on: USA: 1948
Bicycle Thieves was created on 1948-11-24.
As the Girls Go was created in 1948.
This Is America Girls in White - 1948 is rated/received certificates of: USA:Approved
Lilly Yokoi has: Played Bicycle Acrobat in "Toast of the Town" in 1948. Played Herself - Japanese Acrobat in "Toast of the Town" in 1948. Played herself in "Toast of the Town" in 1948. Played Herself - Bicycle Acrobat in "The Hollywood Palace" in 1964. Played herself in "Rings Around the World" in 1966.
True Value was created in 1948.
Alliance Girls High School was created in 1948.
There was no 1948 New Zealand Halfpenny minted.
There was no 1948 New Zealand Crown minted.
Assuming you mean a British shilling, about 10 cents or so. 1948 shillings have no silver and are very common.