No way to value with just the serial number.
i have a belgium 70 g 38965 what is it worth
No serial number provided
50-500 usd
$800
50-500 usd
100-650 usd
Impossible to answer without a detailed description.
Up to 1000 USD
50-350 usd
50-500 usd
100-1000 usd
50-550 usd