Strange ceramic capacitor codes

I have bought some capacitors online and some of the codes printed on them are confusing me. These are the codes


3
33
2
75
30
5
10
82
47
68
15




i could not find anything online on how to decipher

 

any letters on them, they could be in pico or nana farads.

 

absolutely nothing else except for those numbers

 

Photos? Put something in the pix so we can tell what size they are. Something marked in millimeters or inches, an American penny. Whatever you have.

ps, most of those numbers are "standard" sizes of capacitance.

 

look like pica farads caps.

 

Those look like...DodgyDave is quicker than I am.
Standard sizes. No multipliers. They are only what the label says, in picofarads.
What size is the measuring device? Inches? millimeters?
Might be as low as 50 volt rating or 100 volt rating.

 

ok thread closed thanks guys

i appreciate


Ps thats a millimeter vernier

 

The caps with underline are rated at 50V/100V; otherwise the rating is 500V according to one source I saw.

John