Dear Friends:
I am working on a project, and I need to identify some coins, the following are giving me problems, so, please if you can help, I will be very happy.
(I have added results found so far)
1) 
Weight: 0.86g, size: 11 to 13mm,
Obviously Roman, suggested by Giobruno, Thank you!
Suggested Roman Theodosius II, Thessalonica mint by Andy289, Thank you!
2) 
Weight: 0.4g, size:12 to 15 mm,
3) 
Weight: 0.8g, size: 12 to 14 mm,
Found: N#83165 by Giobruno, Thank you!
4) 
Weight: 0.62g, size: 13mm,
5) 
Weight: 1.66g, size: 12mm,
6) 
Weight: 1.32g, size: 12mm,
7) 
Weight: 12.58g, size: 23mm,
Found: coin weight (found by using 4 PISTOLE D ITALIE in a search): https://www.acsearch.info/search.html?id=9383464, by tdziemia, Thank you!
8) 
Weight: 4.73g, size: 16mm,
Found coin weight 3 Diners, 18 Grains by tdziemia, Thank you!
9) 
Weight: 4.02g, size: 16mm,
Suggested Macedonia (Greece) by FeeFoo, Thank you!
10) 
Weight: 1.7g, size: 12 to 14mm,
Suggested as from Judea, by Giobruno, Thank you!
Suggested as Herodian by Andy 289, Thank you!
I checked coin with Numista pages and I'm sure it is Prutah - Herod I the Great Numista# 92583 Reverse was upside down
11) 
Weight: 1.54g, size: 13mm,
Suggested as from Judea, by Giobruno, Thank you!
12) 
Weight: 3.93g, size: 23mm,
Found 1 Cash, China by Giobruno, Thank you!
13) 
Weight: 3.36g, size: 24.5mm,
Found 1 Cash, China, by Giobruno, Thank you!
14) 
Weight: 2.57g, size: 26.5mm,
Similar to 1 Cash, China, by Giobruno, Thank you!
15) 
Weight: 3.78g, size: 26mm,
Found 1 Cash , China, by gros, Thank you! (obverse was rotated, now is fixed)
16) 
Weight: 4.24g, size: 25mm,
Found 1 Cash, China by Giobruno, Thank you!
17) 
Weight: 3.15g, size: 24.5mm,
Found 1 Mon, Japan by Giobruno, Thank you!
18) 
Weight: 4.88g, size: 29mm,
Found 4 Mon, Japan, by Giobruno, Thank you!
19) 
Weight: 2.04g, size: 16 to 19mm,
Sugested as Basil I with Leo and Alexander, half follis, Sear 1722. https://www.acsearch.info/search.html?id=1309152 ;by tdziemia, Thank you!
20) 
Weight: 2.19g, size: 18 to 19mm,
Suggested as Gallic Empire. Maybe Tetricus II, by Wertinas, Thank you!
21) 
Weight: 4.74g, size: 24 to 25mm.
Found Byzantine Empire, Constantine VII follis, Follis - Constantine VII (Constantinopolis) - Byzantine Empire – Numista by tdziemia, Thank you!
Any data will be welcome!!!!
Thank you all in advance.
