Looking further I discovered that you can download it into bootflash and run the 'show upgrade hw-programmable file bootflash:<filename>' command and it shows all the versions per platform:
List of card type, hw-programmable device and version in this package:
No. Card Type hw-programmable device Version
--------------------------------------------------------------
0 ASR1000-SIP10 CPLD 09111601
1 Ethernet-LineCard CPLD 15072100
2 Ethernet-LineCard CPLD 13091900
3 Ethernet-LineCard MBFPGA 00010024
4 ASR1000-ESP200 CPLD 13041200
5 ASR1000-ESP100 CPLD 12071700
6 ASR1001-X CPLD 14041015
7 ASR1001-HX CPLD 16033009
8 ASR1001-HX FPGA 16051716
9 ASR1002-HX CPLD 15100715
10 ASR1002-HX FPGA 15102108
11 ASR1002-X FPGA 00020034
12 ISR4300/K9 CPLD 14101324
13 ISR4451-X CPLD 16092742
14 ASR1000-RP2 CPLD 14111801
15 ASR1000-RP2 FPGA 15010901
16 ASR1000-RP3 CPLD 16080312
17 ISR4300/K9 CPLD 14101324
18 ISR4300/K9 CPLD 14101324