You most likely have a 32 Long Regulation Police revolver. These were I frame guns with a larger than normal stocks, necessitating moving the serial number to the front strap. If so, the ship date would be around 1920-1922.
Give these instructions a try. Make sure you first upload your pictures to your computer.
To attach a picture to your post, you need to be using the main 'New Thread' or 'Reply' and not 'Quick Reply'. To use the main 'New Post' page, click the 'Post Reply' button in the relevant thread.
On this page, below the message box, you will find a button labeled 'Manage Attachments'. Clicking this button will open a new window for uploading attachments. You can upload an attachment from your computer.
To upload a file from your computer, click the 'Browse' button and locate the file. After selecting the picture, it will return you to the Manage Attachments window, and then click 'Upload'.
Once the upload is completed the file name will appear below the input boxes in this window. You can then continue to add up to 5 pictures. When done, close the window to return to the posting screen.